Where does “adolygwyr” come from?

adolygwyr (Welsh) comes from Welsh adolygu, from Welsh ad-, from Proto-Brythonic ate-, from Proto-Celtic ati-, from Proto-Indo-European éti, from Proto-Indo-European h₁é, from Proto-Indo-European ǵʰe — Postpositional intensifying particle: indeed, at any rate, in fact.

Ancestry of “adolygwyr”, step by step

adolygwyr traces back through two separate lines of ancestry.

via Welsh adolygu

StepLanguageWordMeaning
1Welshadolyguto review
2Welshad-again, back, re-; affirmative prefix, emphasises...
3Proto-Brythonicate-
4Proto-Celticati-re-, again, second, further
5Proto-Indo-Europeanétibeyond; over
6Proto-Indo-Europeanh₁éand, then
7Proto-Indo-EuropeanǵʰePostpositional intensifying particle: indeed, at any rate, in fact

via Welsh ŵyr

StepLanguageWordMeaning
1WelshŵyrSoft mutation of gŵyr; grandson, grandchild
2Middle WelshwyrSoft mutation of gwyr
Every word from Proto-Indo-European ǵʰeEvery word from Proto-Indo-European h₁éEvery word from Proto-Indo-European éti
adolygwyr — Etymology, Origin & Word History | Etymology Explorer