Where does “pala” come from?

pala (Bikol Central) comes from Spanish pala, from Latin pāla — A shovel, spade.

Ancestry of “pala”, step by step

Step	Language	Word	Meaning
1	Spanish	pala	shovel, spade; blade of an oar, a shovel, etc;...
2	Latin	pāla	A shovel, spade