Bisu (Chinese: 毕苏语) is a Loloish language of Thailand, with a couple thousand speakers in China. Varieties are Bisu proper (Mbisu) and Laomian (Guba), considered by Pelkey to be distinct languages.
The Laomian are classified within the Lahu ethnic group; the Lahu proper call them the "Lawmeh".[2]
Distribution
According to Bisuyu Yanjiu 毕苏语研究 (2002), there are over 5,000 Bisu speakers in Yunnan, China, and a total of nearly 10,000 Bisu speakers in all countries combined. Within Yunnan, it is spoken mostly in Pu'er Prefecture, as well as neighboring parts of Xishuangbanna.
In Laos, Bisu (pi33su44; also called Lao-Phai) is spoken in Phudokcham village, Phongxaly District.[5]
In Myanmar, Bisu is spoken in three or two villages of Shan State, and Bisu speakers live alongside Pyen speakers
Orthography
In Thailand, the Bisu language is written with the Thai script.
There is no different meaning between long and short vowels. However, check syllables may sound shorter than non-checked ones when speaking. Thai standard uses only long vowels.
^Kingsadā, Thō̜ngphet; Shintani, Tadahiko (1999). Basic Vocabularies of the Languages Spoken in Phongxaly, Lao P.D.R. Tokyo: Institute for the Study of Languages and Cultures of Asia and Africa (ILCAA).
Bradley, David (2007). "Language Endangerment in China and Mainland Southeast Asia". In Brenzinger, Matthias (ed.). Language Diversity Endangered. New York: Mouton de Gruyte.