Where does “latchbolt” come from?

latchbolt (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.

latchbolt (English): A spring-loaded part of a lock that extends from the front of the lock and into a hole in the door frame, or strike, in order to hold the door closed

Definitions

  1. A spring-loaded part of a lock that extends from the front of the lock and into a hole in the door frame, or strike, in order to hold the door closed

Ancestry of “latchbolt”, step by step

latchbolt 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 latch

StepLanguageWordMeaning
1EnglishlatchTo close or lock as if with a latch; To catch;...
2Middle Englishlatche
3Middle Englishlacchento seize, catch, grasp; to seize, catch
4Old Englishlæċċanto grasp, take hold of, catch, seize”; to grasp,...
5Proto-GermaniclakjanąTo cause to wet; moisten
6Proto-Indo-Europeanleǵ-to gather, collect, with derivatives meaning to...
Every word from Proto-Indo-European dʰewh₂-Every word from Proto-Celtic dūnomEvery word from Gaulish dunum