From Proto-Tai *qaːꟲ (“to kill”). Cognate with Thai ฆ่า (kâa), Lao ຂ້າ (khā), Lü ᦃᦱᧉ (ẋaa²), Shan ၶႃႈ (khāa), Tai Nüa ᥑᥣᥲ (xàa), Ahom 𑜁𑜠 (kha, “to cut; to kill”), Zhuang gaj, Nong Zhuang kaj.
ꪄ꫁ꪱ (khả)