The story
- Proto-Celtic · derived from*Dubnowalos“prince / chief of the world”
- Old Irish · derived fromDomnall
- Medieval Latin · derived fromDonvaldus
- Scottish Gaelic · borrowed fromDòmhnall
- English todayDonald
Name of Scottish kings and an early saint, from Scottish Gaelic Dòmhnall and reinforced by Medieval Latin Donvaldus ~ Donaldus, from Old Irish Domnall, from Proto-Celtic *Dubnowalos (“prince / chief of the world”). Doublet of Domhnall.
Etymology from Wiktionary, CC BY-SA 4.0.