Where does “bolt-tun” come from?

bolt-tun (Old English) comes from Old English bolt, from Old English -tūn, 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 “bolt-tun”, step by step

bolt-tun traces back through 3 separate lines of ancestry.

via Old English bolt

StepLanguageWordMeaning
1Old Englishboltbolt
2Old English-tūnhomestead, village, town
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 blod

StepLanguageWordMeaning
1Old Englishblodblood
2Proto-West Germanicblōdblood
3Proto-Germanicblōþąblood
4Proto-Indo-Europeanbʰleh₃-bloom, flower
5Proto-Indo-Europeanbʰel-to sound; to speak, roar, bark; shiny, white; to...
6Proto-Indo-Europeanbʰōl-—

via Old English botl

StepLanguageWordMeaning
1Old Englishbotlhouse, dwelling-place, mansion, hall, castle,...
2Proto-West Germanicbōþlhouse, dwelling; landed property, movable...
3Proto-Germanicbōþląhouse, dwelling
4Proto-Germanicbūanąto dwell, reside
5Proto-Indo-EuropeanbʰuH-to become, grow, appear

Words derived from “bolt-tun”

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