Where does “aku” come from?

aku (Proto-Malayo-Chamic) comes from Proto-Malayo-Sumbawan aku, from Proto-Sunda-Sulawesi aku, from Proto-Malayo-Polynesian aku, from Proto-Austronesian aku.

Ancestry of “aku”, step by step

StepLanguageWordMeaning
1Proto-Malayo-Sumbawanaku—
2Proto-Sunda-Sulawesiaku—
3Proto-Malayo-Polynesianaku—
4Proto-Austronesianaku—
Every word from Proto-Austronesian aku →Every word from Proto-Malayo-Polynesian aku →Every word from Proto-Sunda-Sulawesi aku →