Where does “Oengus” come from?

Oengus (Middle Irish) comes from Old Irish Oíngus, from Proto-Celtic *Oinogustus.

Ancestry of “Oengus”, step by step

StepLanguageWordMeaning
1Old IrishOíngusAngus
2Proto-Celtic*Oinogustus—
Every word from Proto-Celtic *Oinogustus →Every word from Old Irish Oíngus →