From Proto-Tai *pɯwᴮ. Cognate with Thai ปู่ (bpùu), Lü ᦔᦴᧈ (ṗuu¹), Shan ပူႇ (pùu), Ahom 𑜆𑜥 (pū), Bouyei baus, Nong Zhuang buq.
- (Vientiane) IPA(key): [puː˧]
- (Luang Prabang) IPA(key): [puː˧˨]
- Hyphenation: ປູ່
- Rhymes: -uː
ປູ່ • (pū)
- paternal grandfather.