Where does “bollten” come from?

bollten (Welsh) comes from Welsh bollt, from Middle English bolt, from Old English bolt, from Old English -tūn, from Old English tūn, from Proto-West Germanic tūn, from Proto-Germanic tūną, from Gaulish dunum — smoke; mist, haze.

Ancestry of “bollten”, step by step

StepLanguageWordMeaning
1Welshbolltof a crossbow bolt, dart
2Middle Englishbolt
3Old Englishboltbolt
4Old English-tūnhomestead, village, town
5Old Englishtūnenclosure, yard; place; dwelling
6Proto-West Germanictūnfence
7Proto-Germanictūnąfence; enclosure
8Gaulishdunumfort; hill, hillfort
9Proto-Celticdūnomstronghold, rampart
10Proto-Indo-Europeandʰewh₂-smoke; mist, haze
Every word from Proto-Indo-European dʰewh₂-