Where does “-eiddio” come from?

-eiddio (Welsh) comes from Welsh -aidd, from Middle Welsh -eið — adjectival suffix, -like, -y.

Ancestry of “-eiddio”, step by step

StepLanguageWordMeaning
1Welsh-aiddadjectival suffix, -like, -y
2Middle Welsh-eiðadjectival suffix, -like, -y

Words derived from “-eiddio”

Every word from Middle Welsh -eið →Every word from Welsh -aidd →