Where does “tūn” come from?

tūn (Middle Low German) comes from Old Saxon tūn, from Proto-West Germanic tūn, from Proto-Germanic tūną, from Gaulish dunum, from Proto-Celtic dūnom, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.

Ancestry of “tūn”, step by step

StepLanguageWordMeaning
1Old Saxontūn—
2Proto-West Germanictūnfence
3Proto-Germanictūnąfence; enclosure
4Gaulishdunumfort; hill, hillfort
5Proto-Celticdūnomstronghold, rampart
6Proto-Indo-Europeandʰewh₂-smoke; mist, haze

Words derived from “tūn”

Every word from Proto-Indo-European dʰewh₂- →Every word from Proto-Celtic dūnom →Every word from Gaulish dunum →