Where does “Tunsberg” come from?

Tunsberg (Norwegian Nynorsk) comes from Old Norse Túnsberg, from Old Norse tún, from Proto-Germanic tūną, from Gaulish dunum, from Proto-Celtic dūnom, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.

Ancestry of “Tunsberg”, step by step

StepLanguageWordMeaning
1Old NorseTúnsberg—
2Old Norsetúna hedged plot, enclosure, courtyard, homestead; a...
3Proto-Germanictūnąfence; enclosure
4Gaulishdunumfort; hill, hillfort
5Proto-Celticdūnomstronghold, rampart
6Proto-Indo-Europeandʰewh₂-smoke; mist, haze
Every word from Proto-Indo-European dʰewh₂- →Every word from Proto-Celtic dūnom →Every word from Gaulish dunum →