From Proto-Tai *wɤjᴬ (“fire”). Cognate with Ahom 𑜇𑜩 (phay),Thai ไฟ (fai), Northern Thai ᨼᩱ (fai), Lao ໄຟ (fai), Lü ᦺᦝ (fay), Tai Dam ꪼꪡ, Tai Nüa ᥜᥭᥰ (fäy), Zhuang feiz, Bouyei fix, Saek วี๊.
ၾႆး • (fái)
