Where does “pagbulos” come from?

pagbulos (Bikol Central) comes from Bikol Central bulos, from Proto-Malayo-Polynesian *bulus.

Ancestry of “pagbulos”, step by step

pagbulos traces back through two separate lines of ancestry.

via Bikol Central bulos

StepLanguageWordMeaning
1Bikol Centralbulos—
2Proto-Malayo-Polynesian*bulus—

via Bikol Central pag

StepLanguageWordMeaning
1Bikol Centralpag—
Every word from Proto-Malayo-Polynesian *bulus →Every word from Bikol Central bulos →