Where does “bern” come from?

bern (Old English) comes from Old English bereærn, from Old English bere, from Old English 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 “bern”, step by step

bern traces back through two separate lines of ancestry.

via Old English bereærn

StepLanguageWordMeaning
1Old Englishbereærnbarn, granary
2Old Englishberebarley; first-person singular present indicative...
3Old Englishtūnenclosure, yard; place; dwelling
4Proto-West Germanictūnfence
5Proto-Germanictūnąfence; enclosure
6Gaulishdunumfort; hill, hillfort
7Proto-Celticdūnomstronghold, rampart
8Proto-Indo-Europeandʰewh₂-smoke; mist, haze

via Old English berern

StepLanguageWordMeaning
1Old Englishberern
2Old Englishrændwelling, barn
Every word from Proto-Indo-European dʰewh₂-Every word from Proto-Celtic dūnomEvery word from Gaulish dunum