The story
- Middle Irisherr
- Scottish Gaelicearra
- Proto-Indo-European*dwóh₁
- Proto-Indo-European*dwi-
- Proto-Indo-European*dʰeh₁-
- Proto-Indo-European*h₁weydʰh₁-
- Proto-Celtic*weidus
- Proto-Celtic*weidelos
- Proto-Brythonic*guɨðel
- Proto-Brythonic*Guɨðe
- Old IrishGoídel
- Scottish GaelicGàidheal
- Scottish GaelicEarra-Ghàidhea
- English todayArgyll
Borrowed from Scottish Gaelic Earra-Ghàidheal (“land of the Gaels”).
Etymology from Wiktionary, CC BY-SA 4.0.