Where does “mag-” come from?

mag- (Tagalog) comes from Tagalog sibuyas, from Spanish cebolla, from Old Spanish cebolla, from Late Latin cepulla, from Latin cēpa.

mag- (Tagalog): actor trigger: to do something; actor trigger: to...

Definitions

Step	Language	Word	Meaning
1	Tagalog	sibuyas	onion
2	Spanish	cebolla	onion
3	Old Spanish	cebolla	onion
4	Late Latin	cepulla	onion-bed, onion-field; small onion
5	Latin	cēpa	—