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