Where does “gwynnwy” come from?

gwynnwy (Welsh) comes from Welsh wy, from Middle Welsh wy, from Old Welsh ui, from Proto-Celtic āwyom, from Proto-Indo-European h₂ōwyóm, from Proto-Indo-European h₂éwis — bird.

gwynnwy (Welsh): egg white, albumen

Definitions

  1. egg white, albumen

Ancestry of “gwynnwy”, step by step

gwynnwy traces back through two separate lines of ancestry.

via Welsh wy

StepLanguageWordMeaning
1Welshwyegg
2Middle Welshwy—
3Old Welshui—
4Proto-Celticāwyomegg
5Proto-Indo-Europeanh₂ōwyómegg
6Proto-Indo-Europeanh₂éwisbird

via Welsh gwyn

StepLanguageWordMeaning
1Welshgwynwhite; blessed
2Proto-Brythonicgwɨnnwhite
3Proto-Celticwindoswhite
4Proto-Indo-Europeanwindo-—
5Proto-Indo-Europeanweyd-to see
Every word from Proto-Indo-European h₂éwis →Every word from Proto-Indo-European h₂ōwyóm →Every word from Proto-Celtic āwyom →