Where does “pakinabang” come from?

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

Ancestry of “pakinabang”, step by step

StepLanguageWordMeaning
1Cebuanohinabangan aid; a donation
2CebuanotabangTo aid, to assist, to help; help, aid, assistance
3Proto-Malayo-Polynesian*tabaŋ—
4Proto-Austronesian*tabaNhead trophy trophy taken in headhunting
Every word from Proto-Austronesian *tabaN →Every word from Proto-Malayo-Polynesian *tabaŋ →Every word from Cebuano tabang →