From Proto-Tai *prakᴰ (“vegetable”). Cognate with Northern Thai ᨹᩢ᩠ᨠ, Lao ຜັກ (phak), Lü ᦕᧅ (ṗhak), Tai Nüa ᥚᥐᥴ (phák), Shan ၽၵ်း (phák), Thai ผัก (pàk), Zhuang byaek, Nong Zhuang pyaek, Bouyei byagt, Saek พรั๊ก.
𑜇𑜀𑜫 (phak)