Where does “daearegwyr” come from?

daearegwyr (Welsh) comes from Welsh daeareg, from Welsh -eg, from Middle Welsh -eg, from Proto-Celtic -ikos, from Proto-Indo-European -kos — Creates deadjectival and desubstantival...

Ancestry of “daearegwyr”, step by step

daearegwyr traces back through two separate lines of ancestry.

via Welsh daeareg

StepLanguageWordMeaning
1Welshdaeareggeology
2Welsh-ega language, -ic, -ish; a science, a study,-y,...
3Middle Welsh-eg—
4Proto-Celtic-ikosbelonging to; derived from; of or pertaining to
5Proto-Indo-European-kosCreates deadjectival and desubstantival...

via Welsh ŵyr

StepLanguageWordMeaning
1WelshŵyrSoft mutation of gŵyr; grandson, grandchild
2Middle WelshwyrSoft mutation of gwyr
Every word from Proto-Indo-European -kos →Every word from Welsh -eg →Every word from Proto-Celtic -ikos →