Where does “mataba” come from?

mataba (Bikol Central) comes from Proto-Finnic -taba, from Proto-Finnic -tta- — Passive marker.

Ancestry of “mataba”, step by step

StepLanguageWordMeaning
1Proto-Finnic-taba
2Proto-Finnic-tta-Passive marker
Every word from Proto-Finnic -tta-Every word from Proto-Finnic -taba