Where does “breechblock” come from?

breechblock (English) comes from English block, from French Bloc, from Middle French bloc, from Old French bloc, from Dutch blok, from Middle Dutch blok, from Old Dutch blok, from Proto-West Germanic blokk — thick plank, beam, pile, prop.

breechblock (English): The metal block that closes the breech of a...

Definitions

  1. The metal block that closes the breech of a...

Ancestry of “breechblock”, step by step

breechblock traces back through two separate lines of ancestry.

via English block

StepLanguageWordMeaning
1EnglishblockA substantial, often approximately cuboid, piece...
2FrenchBlocBloc — Bloc Québécois (Bloc québécois)
3Middle Frenchbloca considerable piece of something heavy, block
4Old Frenchbloclog, block
5Dutchbloka block; a street block; a political bloc
6Middle Dutchbloktreetrunk
7Old Dutchbloklog
8Proto-West Germanicblokkblock, log
9Proto-Germanicblukkąblock, log
10Proto-Indo-Europeanbhulg'-
11Proto-Indo-Europeanbhelg'-thick plank, beam, pile, prop

via English breech

StepLanguageWordMeaning
1EnglishbreechA garment whose purpose is to cover or clothe the...
2Middle EnglishbrecheAlternative form of birche
3Old Englishbryċefracture, breach; breach; breaking
4Proto-West Germanicbrukibreak
5Proto-Germanicbrūkizuseful, useable
6Proto-Indo-EuropeanbʰruHg-to make use of; have enjoyment of
Every word from Proto-Indo-European bhelg'-