Where does “llynn” come from?

llynn (Middle Welsh) comes from Proto-Brythonic llɨnn, from Proto-Celtic lindom — liquid; lake.

Ancestry of “llynn”, step by step

StepLanguageWordMeaning
1Proto-Brythonicllɨnnpool
2Proto-Celticlindomliquid; lake

Words derived from “llynn

Every word from Proto-Celtic lindomEvery word from Proto-Brythonic llɨnn