Where does “-feddi” come from?

-feddi (Welsh) comes from Welsh -i, from Old Welsh -im, from Proto-Brythonic *-iβ̃.

Ancestry of “-feddi”, step by step

StepLanguageWordMeaning
1Welsh-iPluralisation suffix; Forms verbnouns from verb...
2Old Welsh-im
3Proto-Brythonic*-iβ̃
Every word from Proto-Brythonic *-iβ̃Every word from Welsh -iEvery word from Old Welsh -im
-feddi — Etymology, Origin & Word History | Etymology Explorer