Where does “əmpat” come from?

əmpat (Proto-Malayo-Chamic) comes from Proto-Malayo-Sumbawan əmpat, from Proto-Sunda-Sulawesi əmpat, from Proto-Malayo-Polynesian əpat, from Proto-Austronesian Səpat — four.

Ancestry of “əmpat”, step by step

StepLanguageWordMeaning
1Proto-Malayo-Sumbawanəmpat—
2Proto-Sunda-Sulawesiəmpat—
3Proto-Malayo-Polynesianəpatfour
4Proto-AustronesianSəpatfour
Every word from Proto-Austronesian Səpat →Every word from Proto-Malayo-Polynesian əpat →Every word from Proto-Sunda-Sulawesi əmpat →