From Proto-Tai *cɤɰᴬ (“heart; breath”). Cognate with Thai ใจ (jai), Northern Thai ᨧᩲ, Lao ໃຈ (chai), Lü ᦺᦈ (ṫsay), Tai Dam ꪻꪊ, Shan ၸႂ် (tsǎue), Tai Nüa ᥓᥬᥴ (tsáue), Ahom 𑜋𑜨𑜧 (chow).
ꩡ︀ၞ် (caü)