From Proto-Tai *C̬.lɯmᴬ (“wind”). Cognate with Thai ลม (lom), Northern Thai ᩃᩫ᩠ᨾ, Lao ລົມ (lom), Shan လူမ်း (lúum), Ahom 𑜎𑜤𑜪 (lum), Zhuang rumz.
ᦟᦳᧄ (lum)