Where does “Trefynwy” come from?

Trefynwy (Welsh) comes from Welsh tref, from Middle Welsh tref, from Proto-Brythonic treβ, from Proto-Celtic trebā, from Proto-Indo-European treb- — settlement, dwelling; to build, dwell.

Ancestry of “Trefynwy”, step by step

Trefynwy traces back through two separate lines of ancestry.

via Welsh tref

StepLanguageWordMeaning
1Welshtreftown; home
2Middle Welshtreftown
3Proto-Brythonictreβtown, settlement
4Proto-Celtictrebādwelling
5Proto-Indo-Europeantreb-settlement, dwelling; to build, dwell

via Welsh Mynwy

StepLanguageWordMeaning
1WelshMynwy
Every word from Proto-Indo-European treb-
Trefynwy — Etymology, Origin & Word History | Etymology Explorer