Where does “Dún” come from?

Dún (Irish) comes from Old Irish dún, from Proto-Celtic dūnom, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.

Dún (Irish): fort; fortress

Definitions

  1. fort; fortress

Ancestry of “Dún”, step by step

Dún traces back through two separate lines of ancestry.

via Old Irish dún

StepLanguageWordMeaning
1Old Irishdúnfort; fortress; Alternative spelling of dúnn
2Proto-Celticdūnomstronghold, rampart
3Proto-Indo-Europeandʰewh₂-smoke; mist, haze

via Celtic *dūnom

StepLanguageWordMeaning
1Celtic*dūnom—

Words derived from “Dún”

Every word from Proto-Indo-European dʰewh₂- →Every word from Proto-Celtic dūnom →Every word from Old Irish dún →