From Proto-Tai *ŋwɯːᴬ (“snake”). Cognate with Thai งู (nguu), Northern Thai ᨦᩪ, Lao ງູ (ngū), Lü ᦇᦴ (nguu), Tai Dam ꪉꪴ, Shan ငူး (ngúu), Tai Nüa ᥒᥧᥰ (ngu2), Ahom 𑜂𑜥 (nguu), Zhuang ngwz
งั๊ว (transliteration needed)