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

isla traces back through two separate lines of ancestry.

via Vulgar Latin isula

StepLanguageWordMeaning
1Vulgar Latinisula—
2LatinĪnsula—
3Proto-Italicenselā—

via Late Latin isula

StepLanguageWordMeaning
1Late Latinisula—

Words derived from “isla”

Every word from Proto-Italic enselā →Every word from Latin Īnsula →Every word from Vulgar Latin isula →