From Proto-Southwestern Tai *tapᴰ (“liver”), from Proto-Tai *tapᴰ (“liver”).
Cognate with Thai ตับ (dtàp), Northern Thai ᨲᩢ᩠ᨷ, Lao ຕັບ (tap), Lü ᦶᦎᧇ (ṫaeb) or ᦎᧇ (ṫab), Shan တပ်း (táp), Aiton တပ် (tap), Tai Dam ꪔꪚꪾ or ꪔꪾꪚ, Zhuang daep, Saek ตั๊บ.
ᥖᥙᥴ (táp) (old orthography ᥖᥙ́)