From Proto-Tai *dwuːŋꟲ (“belly”). Cognate with Lao ທ້ອງ (thǭng), Northern Thai ᨴ᩶ᩬᨦ, Lü ᦑᦸᧂᧉ (toang²), Shan တွင်ႉ (tâ̰ung), Nong Zhuang dongx, Zhuang dungx, Thai ท้อง (tɔ́ɔng).
ᥖᥩᥒᥳ (tȯang) (1963 orthography ᥖᥩᥒ̇)
