From Proto-Tai *prɤmᴬ (“head hair”). Cognate with Northern Thai ᨹᩫ᩠ᨾ, Lao ຜົມ (phom), Lü ᦕᦳᧄ (ṗhum), Shan ၽူမ် (phǔum), Thai ผม (pǒm), Nùng phỏhm, Zhuang byoem, Shangsi Zhuang pʰomᴬ¹, Saek ผรั่ม. Compare Sui byaml.
𑜇𑜪𑜤 (phaṃu)