Where does “Gwyneth” come from?

Gwyneth is an English adoption of the Welsh place name Gwynedd, a region in northwest Wales whose ultimate origin and meaning remain uncertain.

Ancestry of “Gwyneth”, step by step

StepLanguageWordMeaning
1WelshGwyneth—
2Welshgwynwhite; blessed
3Proto-Brythonicgwɨnnwhite
4Proto-Celticwindoswhite
5Proto-Indo-Europeanwindo-—
6Proto-Indo-Europeanweyd-to see
Every word from Proto-Indo-European weyd- →Every word from Proto-Indo-European windo- →Every word from Proto-Celtic windos →