Where does “magtabang” come from?

magtabang (Bikol Central) comes from Bikol Central tabang, from Proto-Malayo-Polynesian *tabaŋ, from Proto-Austronesian *tabaN — head trophy trophy taken in headhunting.

Ancestry of “magtabang”, step by step

StepLanguageWordMeaning
1Bikol Centraltabang—
2Proto-Malayo-Polynesian*tabaŋ—
3Proto-Austronesian*tabaNhead trophy trophy taken in headhunting
Every word from Proto-Austronesian *tabaN →Every word from Proto-Malayo-Polynesian *tabaŋ →Every word from Bikol Central tabang →