kgy – Kyerung
syw – Kagate
ttz – Tsum
scp – Helambu Sherpa
Kyirong-Kagate is a subgroup of Tibetan language spoken primarily in Nepal, with a hundred or so speakers across the border in Tibet.
- Kyirong (Lende), Kagate, Tsum, Langtang, Yolmo (Helambu Sherpa)
Although there is a high level of mutual intelligibility between these languages, they are considered separate languages by their respective speakers, and all have distinct ISO 639-3 codes.
- Kyerung at Ethnologue (17th ed., 2013)
Kagate at Ethnologue (17th ed., 2013)
Tsum at Ethnologue (17th ed., 2013)
Helambu Sherpa at Ethnologue (17th ed., 2013)
- N. Tournadre (2005) "L'aire linguistique tibétaine et ses divers dialectes." Lalies, 2005, n°25, p. 7–56 
- Gawne, Lauren (2010). Nepalese Linguistics 25: 34–41 http://www.digitalhimalaya.com/collections/journals/nepling/
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