Where does “Máel Dúin” come from?

Máel Dúin (Old Irish) comes from Old Irish Máel, from Proto-Celtic mailos — bald; bare.

Ancestry of “Máel Dúin”, step by step

Máel Dúin traces back through two separate lines of ancestry.

via Old Irish Máel

StepLanguageWordMeaning
1Old IrishMáelbald, bare, shaved, shorn, tonsured
2Proto-Celticmailosbald; bare

via Old Irish dúin

StepLanguageWordMeaning
1Old Irishdúin

Words derived from “Máel Dúin

Every word from Proto-Celtic mailosEvery word from Old Irish Máel