Where does “pukupuku” come from?

pukupuku (Maori) comes from Maori puku, from Proto-Polynesian *puku, from Proto-Oceanic *buku, from Proto-Austronesian *bukuh.

Ancestry of “pukupuku”, step by step

StepLanguageWordMeaning
1Maoripukustomach, belly
2Proto-Polynesian*puku—
3Proto-Oceanic*buku—
4Proto-Austronesian*bukuh—

Words derived from “pukupuku”

Every word from Proto-Austronesian *bukuh →Every word from Proto-Oceanic *buku →Every word from Proto-Polynesian *puku →