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