Where does “mapirak” come from?

mapirak (Bikol Central) comes from Bikol Central pirak, from Malay pirak, from Proto-Malayic pirak.

Ancestry of “mapirak”, step by step

StepLanguageWordMeaning
1Bikol Centralpirak—
2MalaypirakObsolete form of perak
3Proto-Malayicpirak—
Every word from Proto-Malayic pirak →Every word from Malay pirak →Every word from Bikol Central pirak →