From Proto-Tai *pɯwᴬ (“crab”). Cognate with Thai ปู (bpuu), Lao ປູ (pū), Lü ᦔᦴ (ṗuu), Shan ပူ (pǔu), Ahom 𑜆𑜥 (puu), Zhuang baeu, Bouyei baul.
ꪜꪴ (transliteration needed)