Where does “isla” come from?

isla (Old Spanish) comes from Vulgar Latin isula, from Latin Īnsula, from Proto-Italic enselā.

Ancestry of “isla”, step by step

Step	Language	Word	Meaning
1	Vulgar Latin	isula	—
2	Latin	Īnsula	—
3	Proto-Italic	enselā	—

Words derived from “isla”

Every word from Proto-Italic enselā →

isla — Etymology, Origin & Word History | Etymology Explorer