From Proto-Tai *pajᴬ (“to go”). Cognate with Thai ไป (bpai), Northern Thai ᨻᩱ (pai), Khün ᨻᩱ (pai), Lü ᦺᦔ (ṗay) and ᦺᦗ (pay), Tai Dam ꪼꪜ, Shan ပႆ (pǎi), Aiton ပႝ (pay), Zhuang bae, Bouyei bail.
ໄປ • (pai) (abstract noun ການໄປ)