Where does “stumblingblock” come from?

stumblingblock (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.

stumblingblock (English): An obstacle; a difficulty

Definitions

  1. An obstacle; a difficulty

Ancestry of “stumblingblock”, step by step

stumblingblock 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 stumbling

StepLanguageWordMeaning
1Englishstumblingpresent participle of stumble; The motion of one...
2EnglishstumbleA fall, trip or substantial misstep; An error or...
3Proto-Germanicstam-to trip up; to stammer, stutter
Every word from Proto-Indo-European bhelg'-