noun
- a male given name: from Celtic words meaning “world” and “power.”
noun
- ?1031–1100, king of Scotland (1093–94; 1094–97)
surname, from 13c. Scottish Dofnald, Dufenald, probably from Gaelic Domhnall, Old Irish Domnall (pronounced “Dovnall”), from Proto-Celtic *Dubno-valos “world-mighty, ruler of the world,” from *walos “ruler” + PIE *dheub- (see deep (adj.)).