FromProto-Chamic*ʔapuy, fromProto-Malayo-Polynesian*hapuy, fromProto-Austronesian*Sapuy. CompareAcehneseapuy,Malayapi,Tagalogapoy,Palauanngau,Pohnpeianahi,Tonganafi,Samoanafi,Hawaiianahi.
pui³³
Thurgood, Graham (1999),From Ancient Cham to Modern Dialects: Two Thousand Years of Language Contact and Change[1], Honolulu: University of Hawaii Press