From Proto-Tai *paːkᴰ (“mouth”). Cognate with Thai ปาก (bpàak), Northern Thai ᨸᩣ᩠ᨠ, Lao ປາກ (pāk), Shan ပၢၵ်ႇ (pàak), Ahom 𑜆𑜀𑜫 (pak).
ป̄าก (transliteration needed)