From Proto-Tai *C̬.nokᴰ. Cognate with Thai นก (nók), Northern Thai ᨶᩫ᩠ᨠ, Lao ນົກ (nok), Tai Dam ꪶꪙꪀ, Lü ᦷᦓᧅ (nok), Ahom 𑜃𑜤𑜀𑜫 (nuk), Zhuang roeg, Saek น็อก.
ၼူၵ်ႉ • (nṵ̂uk)