Lashi (endonym Lachik) is a Burmish language. It is according to Nishi (1999: 70) in the Maruic branch, which preserves the preglottalized initials of Proto-Burmish in the most phonotactic environments.
Data on Lashi is available in the followining publications (Luce 1985: Charts S, T, V; Huang et al. 1992; Wannemacher 1995-7, as cited in Mann 1998, and Yabu 1988).
In China, Lashi (Leqi) speakers are distributed in Mang City (formerly Luxi County), Ruili City, Longchuan County, and Yingjiang County of western Yunnan province (Dai 2007:5). Mang City has the most Lashi speakers, who are distributed in the following townships.
Santai 三台乡 (in Gonglin 拱岭寨 and Manggang 芒岗寨 villages)
Lashi is also spoken in eastern Shan State, Burma.
Yabu Shirō 藪 司郎 (1987). "The Lashi Language of Burma: a brief description." Burma and Japan: basic studies on their cultural and social structure. Tokyo: Toyota Foundation. 47-53.
Yabu Shirō 藪 司郎 (1988). A preliminary report on the study of the Maru, Lashi and Atsi languages of Burma. In Yoshiaki Ishizawa (ed.), Historical and cultural studies in Burma, 65-132. Tokyo: Institute of Asian Studies, Sophia University.