From Proto-Tai *kraːꟲ (“slave”). Cognate with Thai ข้า (kâa), Lao ຂ້າ (khā), Lü ᦃᦱᧉ (ẋaa²), Shan ၶႃႈ (khāa), Tai Nüa ᥑᥣᥲ (xàa).
𑜁𑜠 (kha)