Where does “pagkaakos” come from?

pagkaakos (Bikol Central) comes from Proto-Italic akos, from Proto-Indo-European h₂éḱos, from Proto-Indo-European h₂eḱ- — sharp.

Ancestry of “pagkaakos”, step by step

pagkaakos traces back through two separate lines of ancestry.

via Proto-Italic akos

StepLanguageWordMeaning
1Proto-Italicakos
2Proto-Indo-Europeanh₂éḱostip, bristle; ear/blade of grain, awn, chaff
3Proto-Indo-Europeanh₂eḱ-sharp

via Tagalog pagka

StepLanguageWordMeaning
1Tagalogpagkaif
2Tagalogpagkamakabagunsakupinneocolonialism
Every word from Proto-Indo-European h₂eḱ-