Proto-Sino-Tibetan: *chǝ
Meaning: be ill; to heal, recover
Tibetan: ãcho (p. (b)sos, f. gso) to heal, to cure; nourish.
Lushai: KC *sa to be ill.
Comments: PG *[s]aL heal (as wound); BG: Dimasa sa, Garo sa-; Rgyarung tsha; Trung dza2 be ill. Sh. 54.