Where does “staybolt” come from?

staybolt (English) comes from English Bolt, 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.

staybolt (English): A rod with threaded ends, used as a stay in a boiler, firebox etc

Definitions

  1. A rod with threaded ends, used as a stay in a boiler, firebox etc

Ancestry of “staybolt”, step by step

staybolt traces back through two separate lines of ancestry.

via English Bolt

StepLanguageWordMeaning
1EnglishBoltnamed after an early postmaster
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

via English stay

StepLanguageWordMeaning
1EnglishstayTo prop; support; sustain; hold up; steady; To...
2Middle EnglishstayA stay
3Old Frenchestayeprop, support
4Middle Dutchstaeyea prop, stay
5Middle Dutchstaede
6Old Dutchstada site, place, location, standing
7Proto-Germanicstadizplace, location
8Proto-Indo-Europeanstéh₂tisstanding, position
9Proto-Indo-European*steh₂-

Words derived from “staybolt

Every word from Proto-Indo-European dʰewh₂-Every word from Proto-Celtic dūnomEvery word from Gaulish dunum