The Tamangic languages or TGTM languages are a family of Tibeto-Burman languages

Tibeto-Burman languages

The Tibeto-Burman languages are the non-Chinese members of the Sino-Tibetan language family, over 400 of which are spoken thoughout the highlands of southeast Asia, as well as lowland areas in Burma ....

 spoken in the Himalayas of Nepal

Nepal

Nepal , officially the Federal Democratic Republic of Nepal, is a landlocked sovereign state located in South Asia. It is located in the Himalayas and bordered to the north by the People's Republic of China, and to the south, east, and west by the Republic of India...

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The languages ar:

• Tamang
  Tamang language
  Tamang is a term used to collectively refer to a dialect cluster spoken in parts of Nepal and Sikkim. It comprises Eastern Tamang, Northwestern Tamang, Southwestern Tamang, Eastern Gorkha Tamang, and Western Tamang...
  
   (two divergent varieties, with a million speakers)
• Gurung
  Gurung language
  Gurung is spoken by the Gurung people in two dialects with limited mutual intelligibility. Total number of all Gurung speakers in Nepal is 227,918...
  
   (three varieties with low mutual intelligibility)
• Thakali (including the Seke dialect; ethnically Tamang)
• the closely related Manang(ba) [Nyishang(ba)], Gyasumdo, and 'Narpa
  Nar Phu language
  The Nar Phu or Nar-Phu language is a Tibeto-Burman language spoken in the two villages of Nar and Phu, in the Valley of the Nar Khola in the Manang district of Nepal.-Vowels:-Consonants:-Tones:...
  
   ('Nar-Phu)
• Chantyal
  Chantyal language
  The Chantyal language is spoken by approximately 2,000 of the 10,000 ethnic Chantyal. The Chantyal live in the Baglung and Myagdi Districts of Nepal....
  
  
• the undescribed Kaike.

The Ghale language, spoken by the Ghale people who are ethnically Tamang, seems to be related to Tamangic, but not enough is known about it to be sure.

Classification

Tamangic is united with the Bodish

Bodish languages

The Bodish languages, named for the Tibetan ethnonym bod, are the Tibetan languages in a broad linguistic sense, regardless of whether the speakers are considered ethnically Tibetan. Different scholars divide Bodish differently, but the alternate term 'Tibetan' generally excludes East Bodish...

 and West Himalayish languages

West Himalayish languages

The West Himalayish languages, also known as Almora and Kanauric, are a family of Tibeto-Burman languages centered on Kanauri, in Himachal Pradesh and across the border into Nepal.The languages include:...

 in Bradley's (1997) "Bodish" and Van Driem's (2001) Tibeto-Kanauri

Tibeto-Kanauri languages

The Tibeto-Kanauri languages, also called Bodish–Himalayish and Western Tibeto-Burman, are a proposed intermediate level of classification of the Tibeto-Burman languages, centered on the Tibetan and Kanauri languages...

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