Where does “susu” come from?

susu (Proto-Oceanic) comes from Proto-Malayo-Polynesian susu, from Proto-Austronesian susu — breast.

Ancestry of “susu”, step by step

StepLanguageWordMeaning
1Proto-Malayo-Polynesiansusubreast
2Proto-Austronesiansusubreast
Every word from Proto-Austronesian susuEvery word from Proto-Malayo-Polynesian susu