Where does “magkayo” come from?

magkayo (Bikol Central) comes from Bikol Central kayo, from Proto-Philippine kahiw, from Proto-Malayo-Polynesian kahiw, from Proto-Austronesian kaSiw — wood; tree.

Ancestry of “magkayo”, step by step

StepLanguageWordMeaning
1Bikol Centralkayo—
2Proto-Philippinekahiwwood; tree
3Proto-Malayo-Polynesiankahiwwood; tree
4Proto-AustronesiankaSiwwood; tree
Every word from Proto-Austronesian kaSiw →Every word from Proto-Malayo-Polynesian kahiw →Every word from Proto-Philippine kahiw →