Where does “pila” come from?

pila (Bikol Central) comes from Spanish pila, from Latin pila, from Latin pīlus, from Latin pīlum, from Proto-Italic pistlom, from Proto-Indo-European pis-tlo-, from Proto-Indo-European peys- — to grind, to crush.

Ancestry of “pila”, step by step

pila traces back through two separate lines of ancestry.

via Spanish pila

StepLanguageWordMeaning
1Spanishpilasmall battery; pile, mound; a lot
2Latinpilamortar; pillar; pier
3Latinpīlusa hair
4Latinpīluma pounder, pestle
5Proto-Italicpistlom
6Proto-Indo-Europeanpis-tlo-
7Proto-Indo-Europeanpeys-to grind, to crush

via Proto-Malayo-Polynesian *pilaq

StepLanguageWordMeaning
1Proto-Malayo-Polynesian*pilaq
Every word from Proto-Indo-European peys-Every word from Proto-Indo-European pis-tlo-Every word from Proto-Italic pistlom