Old Irish origin
Source-reportedMeaning: “black” + “vigour”
From Old Norse Dufgus, from Old Irish Dubgus, from dub (“black”) + gus (“vigour”). Compare Old Irish Fergus and Oíngus (“Angus”).
Sources for this account (4)
- Wiktionary: DufgusCC-BY-SA-4.0 · retrieved 2026-10-15
- Greek Wiktionary: DufgusCC-BY-SA-4.0 · retrieved 2026-10-15
- French Wiktionary: DufgusCC-BY-SA-4.0 · retrieved 2026-10-14
- Turkish Wiktionary: DufgusCC-BY-SA-4.0 · retrieved 2026-10-14

