The story
- Proto-Germanic*audaz
- Proto-Germanic*mundō
- Proto-Germanic*Audamunduz
- Proto-West Germanic*Audamundu
- Old EnglishĒadmund
- English todayEdmund
From Old English Ēadmund, from ēad (“prosperity”) + mund (“protection”). Doublet of Eamon.
Etymology from Wiktionary, CC BY-SA 4.0.