From Proto-Tai *nwɯːnᴬ. Cognate with Thai นอน (nɔɔn), Northern Thai ᨶᩬᩁ, Lao ນອນ (nǭn), Khün ᨶᩬᩁ, Tai Dam ꪙꪮꪙ, Shan ၼွၼ်း (nóan), Ahom 𑜃𑜨𑜃𑜫 (non).
ᦓᦸᧃ (noan) (abstract noun ᦂᦱᧃᦓᦸᧃ)