Where does “amgylchiedig” come from?

amgylchiedig (Welsh) comes from Welsh amgylchu, from Welsh -u, from Middle Welsh -u, from Proto-Brythonic -oβ̃ — Forms verbal nouns, originally from thematic...

Ancestry of “amgylchiedig”, step by step

StepLanguageWordMeaning
1Welshamgylchuto encircle, to surround
2Welsh-uimpression, imprint
3Middle Welsh-u—
4Proto-Brythonic-oβ̃Forms verbal nouns, originally from thematic...
Every word from Proto-Brythonic -oβ̃ →Every word from Welsh -u →Every word from Welsh amgylchu →