Sanskrit is a historical Indo-Aryan language, one of the liturgical languages of Hinduism and Buddhism, and one of the 22 official languages of India.... word meaning "growth" (from ). In Panini's grammar, it is also a technical term for a group of long vowels. In Indo-European linguistics
Indo-European studies
Indo-European studies is a field of linguistics dealing with Indo-European languages, both current and extinct. Its goal is to amass information about the hypothetical proto-language from which all of these languages are descended, a language dubbed Proto-Indo-European language , and its speakers, the Proto-Indo-Europeans, including their soc... , it has become a term for the lengthened grade of the ablaut
Indo-European ablaut
In linguistics, the term ablaut designates a system of vowel gradation in Proto-Indo-European language and its far-reaching consequences in all of the modern Indo-European languages.... vowel gradation peculiar to the Indo-European languages
Indo-European languages
The Indo-European languages are a Language family of several hundred related languages and dialects, including most major languages of Europe, the Iranian plateau , Central Asia and the Indian subcontinent .... . A vrddhi-derivation is a word that is derived by such lengthening, a type of formation very common in Sanskrit, but also attested in other languages.