From Proto-Tai *xaːwᴬ (“white”). Cognate with Thai ขาว (kǎao), Northern Thai ᨡᩣ᩠ᩅ, Lao ຂາວ (khāo), Lü ᦃᦱᧁ (ẋaaw), Tai Dam ꪄꪱꪫ, Shan ၶၢဝ် (khǎao), Tai Nüa ᥑᥣᥝᥴ (xáaw), Ahom 𑜁𑜧 (khaw) or 𑜁𑜧𑜨 (khawo), Zhuang hau, Saek ห่าว.
haaul
