Where does “kerwyn” come from?

kerwyn (Middle Welsh) comes from Proto-Brythonic *keruɨn, from Vulgar Latin *cerēna, from Latin carina, from Proto-Indo-European ḱerh₂- — head, top; horn.

Ancestry of “kerwyn”, step by step

StepLanguageWordMeaning
1Proto-Brythonic*keruɨn—
2Vulgar Latin*cerēna—
3Latincarinakeel of a ship; ship
4Proto-Indo-Europeanḱerh₂-head, top; horn

Words derived from “kerwyn”

Every word from Proto-Indo-European ḱerh₂- →Every word from Latin carina →Every word from Vulgar Latin *cerēna →