Chesu 车苏 is a

Loloish The Loloish languages, also known as Yi (like the Yi people) and occasionally Ngwi or Nisoic, are a family of 50–100 Tibeto-Burman languages spoken primarily in the Yunnan province of Southwestern China. They are most closely related to Burm ...

language spoken in southern Shuangbai County, northern Xinping County, and Eshan County in

Yunnan Yunnan; is an inland Provinces of China, province in Southwestern China. The province spans approximately and has a population of 47.2 million (as of 2020). The capital of the province is Kunming. The province borders the Chinese provinces ...

China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...

. The Chesu refer to themselves as ' or ' (Jishupo 吉输颇).Long Luogui 龙倮贵. 2007. ''Honghe yizu zuyuan zucheng ji qi renkou fenbu'
红河彝族族源族称及其人口分布
. Yunnan (1955) reports that Chesu is spoken mostly in Taihe Township 太和乡, with a population of over 360 as of 1955.
(1955), p.40 ''

Ethnologue ''Ethnologue: Languages of the World'' is an annual reference publication in print and online that provides statistics and other information on the living languages of the world. It is the world's most comprehensive catalogue of languages. It w ...

'' reports 3,300 Chesu speakers out of an ethnic population of 6,600 people, as of 2007. Bradley (2007) reports that Chesu is closely related to Nasu and classifies it as a ''Nasoid'' language. Chesu speakers consider themselves to be a separate ethnic group from the surrounding Nisu speakers. The Chesu language is currently being replaced by Nisu and Chinese.Bradley, David. 2007. East and Southeast Asia. In Moseley, Christopher (ed.), Encyclopedia of the World's Endangered Languages, 349-424. London & New York: Routledge. Chesu is also used as a second language by Hlersu speakers.

References

{{Lolo-Burmese languages Loloish languages Languages of Yunnan