From Proto-Tai *peːtᴰ (“eight”). Cognate with Thai แปด (bpɛ̀ɛt), Tai Dam ꪵꪜꪒ, Northern Thai ᨸᩯ᩠ᨯ, Lao ແປດ (pǣt), Lü ᦶᦔᧆᧈ (ṗaed¹), Shan ပႅတ်ႇ (pèt), Ahom 𑜆𑜢𑜄𑜫 (pit), Bouyei beedt, Zhuang bet.
ᥙᥦᥖᥱ (pǎet) (1963 orthography ᥙᥦᥖ̌)