Where does “gwern” come from?

gwern (Proto-Brythonic) comes from Proto-Celtic wernā, from Proto-Indo-European wern- — alder.

Ancestry of “gwern”, step by step

StepLanguageWordMeaning
1Proto-Celticwernāalder
2Proto-Indo-Europeanwern-alder

Words derived from “gwern”

Every word from Proto-Indo-European wern- →Every word from Proto-Celtic wernā →