From Proto-Tai *truəᴬ. Cognate with Thai หัว (hǔua), Northern Thai ᩉ᩠ᩅᩫ, Lü ᦷᦠ (ḣo), Lao ຫົວ (hūa), Tai Dam ꪬꪺ, Shan ႁူဝ် (hǒ), Ahom 𑜑𑜥 (hū), 𑜍𑜥 (rū) or 𑜍𑜤𑜈𑜫 (ruw), Zhuang hu.
ᥞᥨᥴ (hó) (1963 orthography ᥞᥨ́)
