Where does “taliedig” come from?

taliedig (Welsh) comes from Welsh -iedig, from Proto-Brythonic -ẹdig, from Proto-Celtic -atīkos.

Ancestry of “taliedig”, step by step

StepLanguageWordMeaning
1Welsh-iedigadjectival suffix forming deverbal adjectives -ed
2Proto-Brythonic-ẹdig—
3Proto-Celtic-atīkos—
Every word from Proto-Celtic -atīkos →Every word from Welsh -iedig →Every word from Proto-Brythonic -ẹdig →