From Proto-Tai *priːᴬ (“spirit”).
Cognate with Thai ผี (pǐi), Northern Thai ᨹᩦ, Lao ຜີ (phī), Lü ᦕᦲ (ṗhii), Tai Dam ꪠꪲ, Tai Nüa ᥚᥤᥴ (phí), Shan ၽီ (phǐi).
𑜇𑜣 (phī)
