From Proto-Tai *piːᴬ (“year”). Cognate with Thai ปี (bpii), Northern Thai ᨸᩦ, Lü ᦔᦲ (ṗii), Shan ပီ (pǐi), Tai Nüa ᥙᥤ (pi), Ahom 𑜆𑜣 (pii), Zhuang bi, Bouyei bil.
ປີ • (pī)
From Proto-Tai *pliːᴬ (“banana blossom”). Cognate with Thai ปลี (bplii), Shan ပီ (pǐi).