Where does “boltface” come from?

boltface (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.

boltface (English): The front surface of a bolt in a firearm or back of the firing chamber, against which the cartridge rests

Definitions

  1. The front surface of a bolt in a firearm or back of the firing chamber, against which the cartridge rests

Ancestry of “boltface”, step by step

boltface 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 face

StepLanguageWordMeaning
1EnglishfaceThe front part of the head of a human or other...
2Middle Englishfaceface; Alternative form of fass
3Old Frenchfaceface
4Late Latinfacia
Every word from Proto-Indo-European dʰewh₂-