From Proto-Tai *kɯɲᴬ (“to eat”). Cognate with Thai กิน (gin), Northern Thai ᨠᩥ᩠ᨶ, Lao ກິນ (kin), Lü ᦂᦲᧃ (k̇iin), Tai Dam ꪀꪲꪙ, Shan ၵိၼ် (kǐn), Ahom 𑜀𑜢𑜃𑜫 (kin), Saek กิ๋น.
ᥐᥤᥢ (kin) (old orthography ᥐᥤᥢ)