Where does “pulgas” come from?

pulgas (Chavacano) comes from Spanish pulgas, from Vulgar Latin pulica, from Latin pūlex, from Proto-Indo-European *plus-.

pulgas (Chavacano): flea

Definitions

Step	Language	Word	Meaning
1	Spanish	pulgas	plural of pulga
2	Vulgar Latin	pulica	flea
3	Latin	pūlex	—
4	Proto-Indo-European	*plus-	—

pulgas — Etymology, Origin & Word History | Etymology Explorer