Cognate with Thai คั่ว (kûua), Northern Thai ᨡ᩠ᩅᩫ᩶, Khün ᨡ᩠ᩅᩫ᩶, Isan ขั้ว, Lao ຂົ້ວ (khūa), Lü ᦷᦃᧉ (ẋo²), Shan ၶူဝ်ႈ (khō).
𑜁𑜤𑜈𑜫 (khuw)
Compare Lao ຂົວ (khūa), Lü ᦷᦃ (ẋo).
From Proto-Tai *krɯəwᴬ. Compare Lao ຂົ້ວ (khūa), Thai หัว (hǔua), Lao ຫົວ (hūa).