Where does “Iorwerth” come from?

Iorwerth (Middle Welsh) comes from Middle Welsh berth, from Proto-Brythonic berθ, from Proto-Celtic berxtos, from Proto-Indo-European bʰer(H)ǵ-tó-s, from Proto-Indo-European -tós — Creates verbal adjectives from verb stems.

Ancestry of “Iorwerth”, step by step

StepLanguageWordMeaning
1Middle Welshberth
2Proto-Brythonicberθbeautiful, bright, fine
3Proto-Celticberxtosbright
4Proto-Indo-Europeanbʰer(H)ǵ-tó-s
5Proto-Indo-European-tósCreates verbal adjectives from verb stems

Words derived from “Iorwerth

Every word from Proto-Indo-European -tósEvery word from Proto-Indo-European bʰer(H)ǵ-tó-sEvery word from Proto-Celtic berxtos