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The International Alphabet of Sanskrit Transliteration (IAST) is a transliteration
Transliteration
Transliteration is a subset of the science of hermeneutics. It is a form of translation, and is the practice of converting a text from one script into another...

 scheme that allows a lossless romanization
Romanization
In linguistics, romanization or latinization is the representation of a written word or spoken speech with the Roman script, or a system for doing so, where the original word or language uses a different writing system . Methods of romanization include transliteration, for representing written...

 of Indic scripts
Brahmic family
The Brahmic or Indic scripts are a family of abugida writing systems. They are used throughout South Asia , Southeast Asia, and parts of Central and East Asia, and are descended from the Brāhmī script of the ancient Indian subcontinent...

 as employed by the Sanskrit
Sanskrit
Sanskrit , is a historical Indo-Aryan language and the primary liturgical language of Hinduism, Jainism and Buddhism.Buddhism: besides Pali, see Buddhist Hybrid Sanskrit Today, it is listed as one of the 22 scheduled languages of India and is an official language of the state of Uttarakhand...

 language.

Popularity


IAST is the most popular transliteration scheme for romanization of Sanskrit
Sanskrit
Sanskrit , is a historical Indo-Aryan language and the primary liturgical language of Hinduism, Jainism and Buddhism.Buddhism: besides Pali, see Buddhist Hybrid Sanskrit Today, it is listed as one of the 22 scheduled languages of India and is an official language of the state of Uttarakhand...

 and Pāḷi
Páli
- External links :* *...

. It is often used in printed publications, especially for books dealing with ancient Sanskrit and Pāḷi topics related to Indian religions. With the wider availability of Unicode
Unicode
Unicode is a computing industry standard for the consistent encoding, representation and handling of text expressed in most of the world's writing systems...

 fonts, it is also increasingly used for electronic texts.

The script is, however, insufficient to represent both Sanskrit
Sanskrit
Sanskrit , is a historical Indo-Aryan language and the primary liturgical language of Hinduism, Jainism and Buddhism.Buddhism: besides Pali, see Buddhist Hybrid Sanskrit Today, it is listed as one of the 22 scheduled languages of India and is an official language of the state of Uttarakhand...

 and Pāḷi
Páli
- External links :* *...

 on the same page properly, owing to confusion of the vowel l sign in Sanskrit (here ḷ) and the need for the same sign for the retroflexive consonant ḷ, which is found in Pāḷi. Here it is better to follow Unicode
Unicode
Unicode is a computing industry standard for the consistent encoding, representation and handling of text expressed in most of the world's writing systems...

 and ISO 15919
ISO 15919
ISO 15919 Transliteration of Devanagari and related Indic scripts into Latin characters is an international standard for the transliteration of Indic scripts to the Latin alphabet formed in 2001...

, which is in any case a more comprehensive scheme.

IAST is based on a standard established by the International Congress of Orientalists at Geneva
Geneva
Geneva In the national languages of Switzerland the city is known as Genf , Ginevra and Genevra is the second-most-populous city in Switzerland and is the most populous city of Romandie, the French-speaking part of Switzerland...

 in 1894. It allows a lossless transliteration of Devanāgarī
Devanagari transliteration
There are several methods of transliteration from Devanāgarī to the Roman script, which is a process also known as Romanization in the Indian subcontinent...

 (and other Indic scripts
Brahmic family
The Brahmic or Indic scripts are a family of abugida writing systems. They are used throughout South Asia , Southeast Asia, and parts of Central and East Asia, and are descended from the Brāhmī script of the ancient Indian subcontinent...

, such as Śāradā script
Sarada script
The Śāradā, or Sharada, script is an abugida writing system of the Brahmic family of scripts, developed around the 8th century. It was used for writing Sanskrit and Kashmiri. The Gurmukhī script was developed from Śāradā...

), and as such represents not only the phonemes of Sanskrit
Sanskrit
Sanskrit , is a historical Indo-Aryan language and the primary liturgical language of Hinduism, Jainism and Buddhism.Buddhism: besides Pali, see Buddhist Hybrid Sanskrit Today, it is listed as one of the 22 scheduled languages of India and is an official language of the state of Uttarakhand...

, but allows essentially phonetic transcription
Phonetic transcription
Phonetic transcription is the visual representation of speech sounds . The most common type of phonetic transcription uses a phonetic alphabet, e.g., the International Phonetic Alphabet....

 (e.g. Visarga is an allophone
Allophone
In phonology, an allophone is one of a set of multiple possible spoken sounds used to pronounce a single phoneme. For example, and are allophones for the phoneme in the English language...

 of word-final r and s).

The National Library at Kolkata romanization
National Library at Kolkata romanization
The National Library at Kolkata romanization is the most widely used transliteration scheme in dictionaries and grammars of Indic languages. This transliteration scheme is also known as Library of Congress and is nearly identical to one of the possible ISO 15919 variants.The tables below mostly use...

, intended for the romanization of all Indic scripts
Brahmic family
The Brahmic or Indic scripts are a family of abugida writing systems. They are used throughout South Asia , Southeast Asia, and parts of Central and East Asia, and are descended from the Brāhmī script of the ancient Indian subcontinent...

, is an extension of IAST.

IAST sign inventory and conventions


The sign inventory of IAST (both small and capital letters) shown with Devanāgarī
Devanagari
Devanagari |deva]]" and "nāgarī" ), also called Nagari , is an abugida alphabet of India and Nepal...

 equivalents and phonetic values in IPA
International Phonetic Alphabet
The International Phonetic Alphabet "The acronym 'IPA' strictly refers [...] to the 'International Phonetic Association'. But it is now such a common practice to use the acronym also to refer to the alphabet itself that resistance seems pedantic...

, is as follows (valid for Sanskrit
Sanskrit
Sanskrit , is a historical Indo-Aryan language and the primary liturgical language of Hinduism, Jainism and Buddhism.Buddhism: besides Pali, see Buddhist Hybrid Sanskrit Today, it is listed as one of the 22 scheduled languages of India and is an official language of the state of Uttarakhand...

; for Hindi
Hindi
Standard Hindi, or more precisely Modern Standard Hindi, also known as Manak Hindi , High Hindi, Nagari Hindi, and Literary Hindi, is a standardized and sanskritized register of the Hindustani language derived from the Khariboli dialect of Delhi...

 and other modern languages that use Devanagari script, some phonological changes have occurred):

 [ɐ]
 [ɑː]
 [i]
 [iː]
 [u]
 [uː]
 [ɹ̩]
 [ɹ̩ː]
 [l̩]
 [l̩ː]
vowel
Vowel
In phonetics, a vowel is a sound in spoken language, such as English ah! or oh! , pronounced with an open vocal tract so that there is no build-up of air pressure at any point above the glottis. This contrasts with consonants, such as English sh! , where there is a constriction or closure at some...

s


 [eː]
 [aːi]
 [oː]
 [aːu]
diphthong
Diphthong
A diphthong , also known as a gliding vowel, refers to two adjacent vowel sounds occurring within the same syllable. Technically, a diphthong is a vowel with two different targets: That is, the tongue moves during the pronunciation of the vowel...

s


 [ⁿ]
anusvara
Anusvara
Anusvara is the diacritic used to mark a type of nasalization used in a number of Indic languages. Depending on the location of the anusvara in the word and the language within which it is used, its exact pronunciation can vary greatly....

 [h]
visarga
Visarga
Visarga is a Sanskrit word meaning "sending forth, discharge". In Sanskrit phonology , is the name of a phone, , written as IAST , Harvard-Kyoto , Devanagari . Visarga is an allophone of and in pausa...



velars
Velar consonant
Velars are consonants articulated with the back part of the tongue against the soft palate, the back part of the roof of the mouth, known also as the velum)....

palatals
Palatal consonant
Palatal consonants are consonants articulated with the body of the tongue raised against the hard palate...

retroflexes
Retroflex consonant
A retroflex consonant is a coronal consonant where the tongue has a flat, concave, or even curled shape, and is articulated between the alveolar ridge and the hard palate. They are sometimes referred to as cerebral consonants, especially in Indology...

dentals labials
Labial consonant
Labial consonants are consonants in which one or both lips are the active articulator. This precludes linguolabials, in which the tip of the tongue reaches for the posterior side of the upper lip and which are considered coronals...

 [k]
 IPA c]
 [ʈ]
 [t̪]
 [p]
unvoiced stops
 [kʰ]
 [cʰ]
 [ʈʰ]
 [t̪ʰ]
 [pʰ]
aspirated
Aspiration (phonetics)
In phonetics, aspiration is the strong burst of air that accompanies either the release or, in the case of preaspiration, the closure of some obstruents. To feel or see the difference between aspirated and unaspirated sounds, one can put a hand or a lit candle in front of one's mouth, and say pin ...

 unvoiced stops
 [ɡ]
 [ɟ]
 [ɖ]
 [d̪]
 [b]
voiced stops
 [ɡʱ]
 [ɟʱ]
 [ɖʱ]
 [d̪ʱ]
 [bʱ]
aspirated
Aspiration (phonetics)
In phonetics, aspiration is the strong burst of air that accompanies either the release or, in the case of preaspiration, the closure of some obstruents. To feel or see the difference between aspirated and unaspirated sounds, one can put a hand or a lit candle in front of one's mouth, and say pin ...

 voiced stops
 [ŋ]
 [ɲ]
 [ɳ]
 [n]
 [m]
nasal
Nasal consonant
A nasal consonant is a type of consonant produced with a lowered velum in the mouth, allowing air to escape freely through the nose. Examples of nasal consonants in English are and , in words such as nose and mouth.- Definition :...

   [j]
 [r]
 [l]
 [ʋ]
semi-vowels
   [ɕ]
 [ʂ]
 [s]
  sibilants
font style="text-decoration: none">
{{IndicText}}

The International Alphabet of Sanskrit Transliteration (IAST) is a
transliteration
Transliteration
Transliteration is a subset of the science of hermeneutics. It is a form of translation, and is the practice of converting a text from one script into another...

 scheme that allows a lossless romanization
Romanization
In linguistics, romanization or latinization is the representation of a written word or spoken speech with the Roman script, or a system for doing so, where the original word or language uses a different writing system . Methods of romanization include transliteration, for representing written...

 of Indic scripts
Brahmic family
The Brahmic or Indic scripts are a family of abugida writing systems. They are used throughout South Asia , Southeast Asia, and parts of Central and East Asia, and are descended from the Brāhmī script of the ancient Indian subcontinent...

 as employed by the Sanskrit
Sanskrit
Sanskrit , is a historical Indo-Aryan language and the primary liturgical language of Hinduism, Jainism and Buddhism.Buddhism: besides Pali, see Buddhist Hybrid Sanskrit Today, it is listed as one of the 22 scheduled languages of India and is an official language of the state of Uttarakhand...

 language.

Popularity


IAST is the most popular transliteration scheme for romanization of Sanskrit
Sanskrit
Sanskrit , is a historical Indo-Aryan language and the primary liturgical language of Hinduism, Jainism and Buddhism.Buddhism: besides Pali, see Buddhist Hybrid Sanskrit Today, it is listed as one of the 22 scheduled languages of India and is an official language of the state of Uttarakhand...

 and Pāḷi
Páli
- External links :* *...

. It is often used in printed publications, especially for books dealing with ancient Sanskrit and Pāḷi topics related to Indian religions. With the wider availability of Unicode
Unicode
Unicode is a computing industry standard for the consistent encoding, representation and handling of text expressed in most of the world's writing systems...

 fonts, it is also increasingly used for electronic texts.

The script is, however, insufficient to represent both Sanskrit
Sanskrit
Sanskrit , is a historical Indo-Aryan language and the primary liturgical language of Hinduism, Jainism and Buddhism.Buddhism: besides Pali, see Buddhist Hybrid Sanskrit Today, it is listed as one of the 22 scheduled languages of India and is an official language of the state of Uttarakhand...

 and Pāḷi
Páli
- External links :* *...

 on the same page properly, owing to confusion of the vowel l sign in Sanskrit (here ḷ) and the need for the same sign for the retroflexive consonant ḷ, which is found in Pāḷi. Here it is better to follow Unicode
Unicode
Unicode is a computing industry standard for the consistent encoding, representation and handling of text expressed in most of the world's writing systems...

 and ISO 15919
ISO 15919
ISO 15919 Transliteration of Devanagari and related Indic scripts into Latin characters is an international standard for the transliteration of Indic scripts to the Latin alphabet formed in 2001...

, which is in any case a more comprehensive scheme.

IAST is based on a standard established by the International Congress of Orientalists at Geneva
Geneva
Geneva In the national languages of Switzerland the city is known as Genf , Ginevra and Genevra is the second-most-populous city in Switzerland and is the most populous city of Romandie, the French-speaking part of Switzerland...

 in 1894. It allows a lossless transliteration of Devanāgarī
Devanagari transliteration
There are several methods of transliteration from Devanāgarī to the Roman script, which is a process also known as Romanization in the Indian subcontinent...

 (and other Indic scripts
Brahmic family
The Brahmic or Indic scripts are a family of abugida writing systems. They are used throughout South Asia , Southeast Asia, and parts of Central and East Asia, and are descended from the Brāhmī script of the ancient Indian subcontinent...

, such as Śāradā script
Sarada script
The Śāradā, or Sharada, script is an abugida writing system of the Brahmic family of scripts, developed around the 8th century. It was used for writing Sanskrit and Kashmiri. The Gurmukhī script was developed from Śāradā...

), and as such represents not only the phonemes of Sanskrit
Sanskrit
Sanskrit , is a historical Indo-Aryan language and the primary liturgical language of Hinduism, Jainism and Buddhism.Buddhism: besides Pali, see Buddhist Hybrid Sanskrit Today, it is listed as one of the 22 scheduled languages of India and is an official language of the state of Uttarakhand...

, but allows essentially phonetic transcription
Phonetic transcription
Phonetic transcription is the visual representation of speech sounds . The most common type of phonetic transcription uses a phonetic alphabet, e.g., the International Phonetic Alphabet....

 (e.g. Visarga {{unicode|ḥ}} is an allophone
Allophone
In phonology, an allophone is one of a set of multiple possible spoken sounds used to pronounce a single phoneme. For example, and are allophones for the phoneme in the English language...

 of word-final r and s).

The National Library at Kolkata romanization
National Library at Kolkata romanization
The National Library at Kolkata romanization is the most widely used transliteration scheme in dictionaries and grammars of Indic languages. This transliteration scheme is also known as Library of Congress and is nearly identical to one of the possible ISO 15919 variants.The tables below mostly use...

, intended for the romanization of all Indic scripts
Brahmic family
The Brahmic or Indic scripts are a family of abugida writing systems. They are used throughout South Asia , Southeast Asia, and parts of Central and East Asia, and are descended from the Brāhmī script of the ancient Indian subcontinent...

, is an extension of IAST.

IAST sign inventory and conventions


The sign inventory of IAST (both small and capital letters) shown with Devanāgarī
Devanagari
Devanagari |deva]]" and "nāgarī" ), also called Nagari , is an abugida alphabet of India and Nepal...

 equivalents and phonetic values in IPA
International Phonetic Alphabet
The International Phonetic Alphabet "The acronym 'IPA' strictly refers [...] to the 'International Phonetic Association'. But it is now such a common practice to use the acronym also to refer to the alphabet itself that resistance seems pedantic...

, is as follows (valid for Sanskrit
Sanskrit
Sanskrit , is a historical Indo-Aryan language and the primary liturgical language of Hinduism, Jainism and Buddhism.Buddhism: besides Pali, see Buddhist Hybrid Sanskrit Today, it is listed as one of the 22 scheduled languages of India and is an official language of the state of Uttarakhand...

; for Hindi
Hindi
Standard Hindi, or more precisely Modern Standard Hindi, also known as Manak Hindi , High Hindi, Nagari Hindi, and Literary Hindi, is a standardized and sanskritized register of the Hindustani language derived from the Khariboli dialect of Delhi...

 and other modern languages that use Devanagari script, some phonological changes have occurred):

{{Unicode|अ}} [ɐ]
{{unicode|a  A}}
{{Unicode|आ}} [ɑː]
{{unicode|ā  Ā}}
{{Unicode|इ}} [i]
{{unicode|i  I}}
{{Unicode|ई}} [iː]
{{unicode|ī  Ī}}
{{Unicode|उ}} [u]
{{unicode|u  U}}
{{Unicode|ऊ}} [uː]
{{unicode|ū  Ū}}
{{Unicode|ऋ}} [ɹ̩]
{{unicode|ṛ  Ṛ}}
{{Unicode|ॠ}} [ɹ̩ː]
{{unicode|ṝ  Ṝ}}
{{Unicode|ऌ}} [l̩]
{{unicode|ḷ  Ḷ}}
{{Unicode|ॡ}} [l̩ː]
{{unicode|ḹ  Ḹ}}
vowel
Vowel
In phonetics, a vowel is a sound in spoken language, such as English ah! or oh! , pronounced with an open vocal tract so that there is no build-up of air pressure at any point above the glottis. This contrasts with consonants, such as English sh! , where there is a constriction or closure at some...

s


{{Unicode|ए}} [eː]
{{unicode|e  E}}
{{Unicode|ऐ}} [aːi]
{{unicode|ai  Ai}}
{{Unicode|ओ}} [oː]
{{unicode|o  O}}
{{Unicode|औ}} [aːu]
{{unicode|au  Au}}
diphthong
Diphthong
A diphthong , also known as a gliding vowel, refers to two adjacent vowel sounds occurring within the same syllable. Technically, a diphthong is a vowel with two different targets: That is, the tongue moves during the pronunciation of the vowel...

s


{{Unicode|अं}} [ⁿ]
{{unicode|ṃ  Ṃ}}
anusvara
Anusvara
Anusvara is the diacritic used to mark a type of nasalization used in a number of Indic languages. Depending on the location of the anusvara in the word and the language within which it is used, its exact pronunciation can vary greatly....

{{Unicode|अः}} [h]
{{unicode|ḥ  Ḥ}}
visarga
Visarga
Visarga is a Sanskrit word meaning "sending forth, discharge". In Sanskrit phonology , is the name of a phone, , written as IAST , Harvard-Kyoto , Devanagari . Visarga is an allophone of and in pausa...



velars
Velar consonant
Velars are consonants articulated with the back part of the tongue against the soft palate, the back part of the roof of the mouth, known also as the velum)....

palatals
Palatal consonant
Palatal consonants are consonants articulated with the body of the tongue raised against the hard palate...

retroflexes
Retroflex consonant
A retroflex consonant is a coronal consonant where the tongue has a flat, concave, or even curled shape, and is articulated between the alveolar ridge and the hard palate. They are sometimes referred to as cerebral consonants, especially in Indology...

dentals labials
Labial consonant
Labial consonants are consonants in which one or both lips are the active articulator. This precludes linguolabials, in which the tip of the tongue reaches for the posterior side of the upper lip and which are considered coronals...

{{Unicode|क}} [k]
{{unicode|k  K}}
{{Unicode|च}} IPA c]
{{unicode|c  C}}
{{Unicode|ट}} [ʈ]
{{unicode|ṭ  Ṭ}}
{{Unicode|त}} [t̪]
{{unicode|t  T}}
{{Unicode|प}} [p]
{{unicode|p  P}}
unvoiced stops
{{Unicode|ख}} [kʰ]
{{unicode|kh  Kh}}
{{Unicode|छ}} [cʰ]
{{unicode|ch  Ch}}
{{Unicode|ठ}} [ʈʰ]
{{unicode|ṭh  Ṭh}}
{{Unicode|थ}} [t̪ʰ]
{{unicode|th  Th}}
{{Unicode|फ}} [pʰ]
{{unicode|ph  Ph}}
aspirated
Aspiration (phonetics)
In phonetics, aspiration is the strong burst of air that accompanies either the release or, in the case of preaspiration, the closure of some obstruents. To feel or see the difference between aspirated and unaspirated sounds, one can put a hand or a lit candle in front of one's mouth, and say pin ...

 unvoiced stops
{{Unicode|ग}} [ɡ]
{{unicode|g  G}}
{{Unicode|ज}} [ɟ]
{{unicode|j  J}}
{{Unicode|ड}} [ɖ]
{{unicode|ḍ  Ḍ}}
{{Unicode|द}} [d̪]
{{unicode|d  D}}
{{Unicode|ब}} [b]
{{unicode|b  B}}
voiced stops
{{Unicode|घ}} [ɡʱ]
{{unicode|gh  Gh}}
{{Unicode|झ}} [ɟʱ]
{{unicode|jh  Jh}}
{{Unicode|ढ}} [ɖʱ]
{{unicode|ḍh  Ḍh}}
{{Unicode|ध}} [d̪ʱ]
{{unicode|dh  Dh}}
{{Unicode|भ}} [bʱ]
{{unicode|bh  Bh}}
aspirated
Aspiration (phonetics)
In phonetics, aspiration is the strong burst of air that accompanies either the release or, in the case of preaspiration, the closure of some obstruents. To feel or see the difference between aspirated and unaspirated sounds, one can put a hand or a lit candle in front of one's mouth, and say pin ...

 voiced stops
{{Unicode|ङ}} [ŋ]
{{unicode|ṅ  Ṅ}}
{{Unicode|ञ}} [ɲ]
{{unicode|ñ  Ñ}}
{{Unicode|ण}} [ɳ]
{{unicode|ṇ  Ṇ}}
{{Unicode|न}} [n]
{{unicode|n  N}}
{{Unicode|म}} [m]
{{unicode|m  M}}
nasal
Nasal consonant
A nasal consonant is a type of consonant produced with a lowered velum in the mouth, allowing air to escape freely through the nose. Examples of nasal consonants in English are and , in words such as nose and mouth.- Definition :...

  {{Unicode|य}} [j]
{{unicode|y  Y}}
{{Unicode|र}} [r]
{{unicode|r  R}}
{{Unicode|ल}} [l]
{{unicode|l  L}}
{{Unicode|व}} [ʋ]
{{unicode|v  V}}
semi-vowels
  {{Unicode|श }} [ɕ]
{{unicode|ś  Ś}}
{{Unicode|ष}} [ʂ]
{{unicode|ṣ  Ṣ}}
{{Unicode|स}} [s]
{{unicode|s  S}}
  sibilants
font style="text-decoration: none">
{{IndicText}}

The International Alphabet of Sanskrit Transliteration (IAST) is a
transliteration
Transliteration
Transliteration is a subset of the science of hermeneutics. It is a form of translation, and is the practice of converting a text from one script into another...

 scheme that allows a lossless romanization
Romanization
In linguistics, romanization or latinization is the representation of a written word or spoken speech with the Roman script, or a system for doing so, where the original word or language uses a different writing system . Methods of romanization include transliteration, for representing written...

 of Indic scripts
Brahmic family
The Brahmic or Indic scripts are a family of abugida writing systems. They are used throughout South Asia , Southeast Asia, and parts of Central and East Asia, and are descended from the Brāhmī script of the ancient Indian subcontinent...

 as employed by the Sanskrit
Sanskrit
Sanskrit , is a historical Indo-Aryan language and the primary liturgical language of Hinduism, Jainism and Buddhism.Buddhism: besides Pali, see Buddhist Hybrid Sanskrit Today, it is listed as one of the 22 scheduled languages of India and is an official language of the state of Uttarakhand...

 language.

Popularity


IAST is the most popular transliteration scheme for romanization of Sanskrit
Sanskrit
Sanskrit , is a historical Indo-Aryan language and the primary liturgical language of Hinduism, Jainism and Buddhism.Buddhism: besides Pali, see Buddhist Hybrid Sanskrit Today, it is listed as one of the 22 scheduled languages of India and is an official language of the state of Uttarakhand...

 and Pāḷi
Páli
- External links :* *...

. It is often used in printed publications, especially for books dealing with ancient Sanskrit and Pāḷi topics related to Indian religions. With the wider availability of Unicode
Unicode
Unicode is a computing industry standard for the consistent encoding, representation and handling of text expressed in most of the world's writing systems...

 fonts, it is also increasingly used for electronic texts.

The script is, however, insufficient to represent both Sanskrit
Sanskrit
Sanskrit , is a historical Indo-Aryan language and the primary liturgical language of Hinduism, Jainism and Buddhism.Buddhism: besides Pali, see Buddhist Hybrid Sanskrit Today, it is listed as one of the 22 scheduled languages of India and is an official language of the state of Uttarakhand...

 and Pāḷi
Páli
- External links :* *...

 on the same page properly, owing to confusion of the vowel l sign in Sanskrit (here ḷ) and the need for the same sign for the retroflexive consonant ḷ, which is found in Pāḷi. Here it is better to follow Unicode
Unicode
Unicode is a computing industry standard for the consistent encoding, representation and handling of text expressed in most of the world's writing systems...

 and ISO 15919
ISO 15919
ISO 15919 Transliteration of Devanagari and related Indic scripts into Latin characters is an international standard for the transliteration of Indic scripts to the Latin alphabet formed in 2001...

, which is in any case a more comprehensive scheme.

IAST is based on a standard established by the International Congress of Orientalists at Geneva
Geneva
Geneva In the national languages of Switzerland the city is known as Genf , Ginevra and Genevra is the second-most-populous city in Switzerland and is the most populous city of Romandie, the French-speaking part of Switzerland...

 in 1894. It allows a lossless transliteration of Devanāgarī
Devanagari transliteration
There are several methods of transliteration from Devanāgarī to the Roman script, which is a process also known as Romanization in the Indian subcontinent...

 (and other Indic scripts
Brahmic family
The Brahmic or Indic scripts are a family of abugida writing systems. They are used throughout South Asia , Southeast Asia, and parts of Central and East Asia, and are descended from the Brāhmī script of the ancient Indian subcontinent...

, such as Śāradā script
Sarada script
The Śāradā, or Sharada, script is an abugida writing system of the Brahmic family of scripts, developed around the 8th century. It was used for writing Sanskrit and Kashmiri. The Gurmukhī script was developed from Śāradā...

), and as such represents not only the phonemes of Sanskrit
Sanskrit
Sanskrit , is a historical Indo-Aryan language and the primary liturgical language of Hinduism, Jainism and Buddhism.Buddhism: besides Pali, see Buddhist Hybrid Sanskrit Today, it is listed as one of the 22 scheduled languages of India and is an official language of the state of Uttarakhand...

, but allows essentially phonetic transcription
Phonetic transcription
Phonetic transcription is the visual representation of speech sounds . The most common type of phonetic transcription uses a phonetic alphabet, e.g., the International Phonetic Alphabet....

 (e.g. Visarga {{unicode|ḥ}} is an allophone
Allophone
In phonology, an allophone is one of a set of multiple possible spoken sounds used to pronounce a single phoneme. For example, and are allophones for the phoneme in the English language...

 of word-final r and s).

The National Library at Kolkata romanization
National Library at Kolkata romanization
The National Library at Kolkata romanization is the most widely used transliteration scheme in dictionaries and grammars of Indic languages. This transliteration scheme is also known as Library of Congress and is nearly identical to one of the possible ISO 15919 variants.The tables below mostly use...

, intended for the romanization of all Indic scripts
Brahmic family
The Brahmic or Indic scripts are a family of abugida writing systems. They are used throughout South Asia , Southeast Asia, and parts of Central and East Asia, and are descended from the Brāhmī script of the ancient Indian subcontinent...

, is an extension of IAST.

IAST sign inventory and conventions


The sign inventory of IAST (both small and capital letters) shown with Devanāgarī
Devanagari
Devanagari |deva]]" and "nāgarī" ), also called Nagari , is an abugida alphabet of India and Nepal...

 equivalents and phonetic values in IPA
International Phonetic Alphabet
The International Phonetic Alphabet "The acronym 'IPA' strictly refers [...] to the 'International Phonetic Association'. But it is now such a common practice to use the acronym also to refer to the alphabet itself that resistance seems pedantic...

, is as follows (valid for Sanskrit
Sanskrit
Sanskrit , is a historical Indo-Aryan language and the primary liturgical language of Hinduism, Jainism and Buddhism.Buddhism: besides Pali, see Buddhist Hybrid Sanskrit Today, it is listed as one of the 22 scheduled languages of India and is an official language of the state of Uttarakhand...

; for Hindi
Hindi
Standard Hindi, or more precisely Modern Standard Hindi, also known as Manak Hindi , High Hindi, Nagari Hindi, and Literary Hindi, is a standardized and sanskritized register of the Hindustani language derived from the Khariboli dialect of Delhi...

 and other modern languages that use Devanagari script, some phonological changes have occurred):

{{Unicode|अ}} [ɐ]
{{unicode|a  A}}
{{Unicode|आ}} [ɑː]
{{unicode|ā  Ā}}
{{Unicode|इ}} [i]
{{unicode|i  I}}
{{Unicode|ई}} [iː]
{{unicode|ī  Ī}}
{{Unicode|उ}} [u]
{{unicode|u  U}}
{{Unicode|ऊ}} [uː]
{{unicode|ū  Ū}}
{{Unicode|ऋ}} [ɹ̩]
{{unicode|ṛ  Ṛ}}
{{Unicode|ॠ}} [ɹ̩ː]
{{unicode|ṝ  Ṝ}}
{{Unicode|ऌ}} [l̩]
{{unicode|ḷ  Ḷ}}
{{Unicode|ॡ}} [l̩ː]
{{unicode|ḹ  Ḹ}}
vowel
Vowel
In phonetics, a vowel is a sound in spoken language, such as English ah! or oh! , pronounced with an open vocal tract so that there is no build-up of air pressure at any point above the glottis. This contrasts with consonants, such as English sh! , where there is a constriction or closure at some...

s


{{Unicode|ए}} [eː]
{{unicode|e  E}}
{{Unicode|ऐ}} [aːi]
{{unicode|ai  Ai}}
{{Unicode|ओ}} [oː]
{{unicode|o  O}}
{{Unicode|औ}} [aːu]
{{unicode|au  Au}}
diphthong
Diphthong
A diphthong , also known as a gliding vowel, refers to two adjacent vowel sounds occurring within the same syllable. Technically, a diphthong is a vowel with two different targets: That is, the tongue moves during the pronunciation of the vowel...

s


{{Unicode|अं}} [ⁿ]
{{unicode|ṃ  Ṃ}}
anusvara
Anusvara
Anusvara is the diacritic used to mark a type of nasalization used in a number of Indic languages. Depending on the location of the anusvara in the word and the language within which it is used, its exact pronunciation can vary greatly....

{{Unicode|अः}} [h]
{{unicode|ḥ  Ḥ}}
visarga
Visarga
Visarga is a Sanskrit word meaning "sending forth, discharge". In Sanskrit phonology , is the name of a phone, , written as IAST , Harvard-Kyoto , Devanagari . Visarga is an allophone of and in pausa...



velars
Velar consonant
Velars are consonants articulated with the back part of the tongue against the soft palate, the back part of the roof of the mouth, known also as the velum)....

palatals
Palatal consonant
Palatal consonants are consonants articulated with the body of the tongue raised against the hard palate...

retroflexes
Retroflex consonant
A retroflex consonant is a coronal consonant where the tongue has a flat, concave, or even curled shape, and is articulated between the alveolar ridge and the hard palate. They are sometimes referred to as cerebral consonants, especially in Indology...

dentals labials
Labial consonant
Labial consonants are consonants in which one or both lips are the active articulator. This precludes linguolabials, in which the tip of the tongue reaches for the posterior side of the upper lip and which are considered coronals...

{{Unicode|क}} [k]
{{unicode|k  K}}
{{Unicode|च}} IPA c]
{{unicode|c  C}}
{{Unicode|ट}} [ʈ]
{{unicode|ṭ  Ṭ}}
{{Unicode|त}} [t̪]
{{unicode|t  T}}
{{Unicode|प}} [p]
{{unicode|p  P}}
unvoiced stops
{{Unicode|ख}} [kʰ]
{{unicode|kh  Kh}}
{{Unicode|छ}} [cʰ]
{{unicode|ch  Ch}}
{{Unicode|ठ}} [ʈʰ]
{{unicode|ṭh  Ṭh}}
{{Unicode|थ}} [t̪ʰ]
{{unicode|th  Th}}
{{Unicode|फ}} [pʰ]
{{unicode|ph  Ph}}
aspirated
Aspiration (phonetics)
In phonetics, aspiration is the strong burst of air that accompanies either the release or, in the case of preaspiration, the closure of some obstruents. To feel or see the difference between aspirated and unaspirated sounds, one can put a hand or a lit candle in front of one's mouth, and say pin ...

 unvoiced stops
{{Unicode|ग}} [ɡ]
{{unicode|g  G}}
{{Unicode|ज}} [ɟ]
{{unicode|j  J}}
{{Unicode|ड}} [ɖ]
{{unicode|ḍ  Ḍ}}
{{Unicode|द}} [d̪]
{{unicode|d  D}}
{{Unicode|ब}} [b]
{{unicode|b  B}}
voiced stops
{{Unicode|घ}} [ɡʱ]
{{unicode|gh  Gh}}
{{Unicode|झ}} [ɟʱ]
{{unicode|jh  Jh}}
{{Unicode|ढ}} [ɖʱ]
{{unicode|ḍh  Ḍh}}
{{Unicode|ध}} [d̪ʱ]
{{unicode|dh  Dh}}
{{Unicode|भ}} [bʱ]
{{unicode|bh  Bh}}
aspirated
Aspiration (phonetics)
In phonetics, aspiration is the strong burst of air that accompanies either the release or, in the case of preaspiration, the closure of some obstruents. To feel or see the difference between aspirated and unaspirated sounds, one can put a hand or a lit candle in front of one's mouth, and say pin ...

 voiced stops
{{Unicode|ङ}} [ŋ]
{{unicode|ṅ  Ṅ}}
{{Unicode|ञ}} [ɲ]
{{unicode|ñ  Ñ}}
{{Unicode|ण}} [ɳ]
{{unicode|ṇ  Ṇ}}
{{Unicode|न}} [n]
{{unicode|n  N}}
{{Unicode|म}} [m]
{{unicode|m  M}}
nasal
Nasal consonant
A nasal consonant is a type of consonant produced with a lowered velum in the mouth, allowing air to escape freely through the nose. Examples of nasal consonants in English are and , in words such as nose and mouth.- Definition :...

  {{Unicode|य}} [j]
{{unicode|y  Y}}
{{Unicode|र}} [r]
{{unicode|r  R}}
{{Unicode|ल}} [l]
{{unicode|l  L}}
{{Unicode|व}} [ʋ]
{{unicode|v  V}}
semi-vowels
  {{Unicode|श }} [ɕ]
{{unicode|ś  Ś}}
{{Unicode|ष}} [ʂ]
{{unicode|ṣ  Ṣ}}
{{Unicode|स}} [s]
{{unicode|s  S}}
  sibilants
font style="text-decoration: none">{{Unicode         voiced fricative


Note: Unlike ASCII
ASCII
The American Standard Code for Information Interchange is a character-encoding scheme based on the ordering of the English alphabet. ASCII codes represent text in computers, communications equipment, and other devices that use text...

-only romanizations such as ITRANS
ITRANS
The "Indian languages TRANSliteration" is an ASCII transliteration scheme for Indic scripts, particularly for Devanagari script. It was developed by Avinash Chopde. The latest version of ITRANS is version 5.30 released in July, 2001...

 or Harvard-Kyoto
Harvard-Kyoto
The Harvard-Kyoto Convention is a system for transliterating in ASCII the Sanskrit language and other languages that use the Devanāgarī script...

, the diacritics used for IAST allow capitalization of proper names. The capital variants of letters never occurring word-initially ({{IAST|Ṇ Ṅ Ñ Ṝ}}) are only useful in {{unicode|Pāṇini}} contexts, where the convention is to typeset the IT sounds as capital letters (see {{unicode|Aṣṭādhyāyī}}).

Comparison with ISO 15919


For the most part, IAST is a subset of ISO 15919
ISO 15919
ISO 15919 Transliteration of Devanagari and related Indic scripts into Latin characters is an international standard for the transliteration of Indic scripts to the Latin alphabet formed in 2001...

. The following five exceptions are due to the ISO standard accommodating an extended repertoire of symbols to allow transliteration of Devanāgarī and other Indic scripts as used for languages other than Sanskrit.
Devanāgarī IAST ISO 15919 Comment
{{lang|hi|ए/ े}} e ē ISO e represents {{lang|hi|ऎ/ ॆ}}.
{{lang|hi|ओ/ो}} o ō ISO o represents {{lang|hi|ऒ/ॊ}}.
{{lang|sa| ं}} {{unicode|ṃ}} {{unicode|ṁ}} ISO {{unicode|ṃ}} represents Gurmukhi Tippi {{lang|pa| ੰ}}.
{{lang|hi|ऋ/ ृ}} {{unicode|ṛ}} {{unicode|r̥}} ISO {{unicode|ṛ}} represents ड़ /ɽ/.
{{lang|hi|ॠ/ ॄ}} {{unicode|ṝ}} {{unicode|r̥̄}} for consistency with {{unicode|r̥}}.

See also

  • Devanagari transliteration
    Devanagari transliteration
    There are several methods of transliteration from Devanāgarī to the Roman script, which is a process also known as Romanization in the Indian subcontinent...

  • Hunterian transliteration
    Hunterian transliteration
    The Hunterian transliteration system is the "national system of romanization in India" and the one officially adopted by the Government of India. Hunterian transliteration was sometimes also called the Jonesian transliteration system because it derived closely from a previous transliteration method...

  • Harvard-Kyoto
    Harvard-Kyoto
    The Harvard-Kyoto Convention is a system for transliterating in ASCII the Sanskrit language and other languages that use the Devanāgarī script...

  • ITRANS
    ITRANS
    The "Indian languages TRANSliteration" is an ASCII transliteration scheme for Indic scripts, particularly for Devanagari script. It was developed by Avinash Chopde. The latest version of ITRANS is version 5.30 released in July, 2001...

  • National Library at Kolkata romanization
    National Library at Kolkata romanization
    The National Library at Kolkata romanization is the most widely used transliteration scheme in dictionaries and grammars of Indic languages. This transliteration scheme is also known as Library of Congress and is nearly identical to one of the possible ISO 15919 variants.The tables below mostly use...

  • ISO 15919
    ISO 15919
    ISO 15919 Transliteration of Devanagari and related Indic scripts into Latin characters is an international standard for the transliteration of Indic scripts to the Latin alphabet formed in 2001...

  • Shiva Sutra
    Shiva Sutra
    The Shiva Sutras or Māheshvara Sutras are fourteen verses that organize the phonemes of the Sanskrit language as referred to in the of , the foundational text of Sanskrit grammar...

  • International Phonetic Alphabet chart with pronunciation guide

External links

  • Typing a macron - page from Penn State University about typing with accents

External links



{{DEFAULTSORT:International Alphabet Of Sanskrit Transliteration}}