From Proto-Tai *n̩.loŋᴬ (“to descend”). Cognate with Thai ลง (long), Northern Thai ᩃᩫ᩠ᨦ, Lao ລົງ (long), Lü ᦟᦳᧂ (lung), Shan လူင်း (lúung), Tai Nüa ᥘᥨᥒᥰ (löng), Ahom 𑜎𑜤𑜂𑜫 (luṅ), Zhuang roengz.
ꪶꪩꪉ (ꞌlống)