From Proto-Tai *lɯːmᴬ (“to forget”). Cognate with Thai ลืม (lʉʉm), Northern Thai ᩃᩨ᩠ᨾ, Lao ລືມ (lư̄m), Khün ᩃᩨ᩠ᨾ, Lü ᦟᦹᧄ (luem), Shan လိုမ်း (lúem), Tai Nüa ᥘᥪᥛᥰ (lüem), Ahom 𑜎𑜢𑜤𑜉𑜫 (lüm), Zhuang lumz.
ꪩꪳꪣ (ꞌlứm)