From Proto-Tai *ʑaɰꟲ; cognate with Thai ใช้ (chái), Northern Thai ᨩᩲ᩶, Lao ໃຊ້ (sai), Lü ᦺᦋᧉ (tsay²), Shan ၸႂ်ႉ (tsâ̰ue), Ahom 𑜋𑜨𑜧 (chow).
ꪻꪋ꫁ (ꞌchạư)