From Proto-Tai *ɡamᴬ (“bite (n.); speech”). Cognate with Ahom 𑜁𑜪𑜨 (khäam), Thai คำ (kam), Northern Thai ᨣᩴᩤ, Lao ຄຳ (kham), Lü ᦅᧄ (kam), Tày cằm.
ᥑᥣᥛᥰ (xäam) (1963 orthography ᥑᥣᥛ̈)