Where does “gobsmacker” come from?

gobsmacker (English) comes from English smacker, from English smack, from Dutch smakken, from Dutch en, from Middle Dutch ende, from Old Dutch endi, from Proto-West Germanic andī, from Proto-Germanic andijaz — on, onto.

gobsmacker (English): Something gobsmacking or astounding

Definitions

  1. Something gobsmacking or astounding

Ancestry of “gobsmacker”, step by step

gobsmacker traces back through two separate lines of ancestry.

via English smacker

StepLanguageWordMeaning
1EnglishsmackerOne who smacks or spanks; One who makes a...
2EnglishsmackA distinct flavor, especially if slight; A slight...
3Dutchsmakkento smack, to crash hard; to make noise while...
4Dutchenand; well, so; plus, and
5Middle Dutchendeand; end
6Old Dutchendiend
7Proto-West Germanicandīend
8Proto-Germanicandijazend
9Proto-Indo-Europeanh₂entíosfront; forehead
10Proto-Indo-Europeanh₂ent-face; forehead; front
11Proto-Indo-Europeanh₂en-on, onto

via English gob

StepLanguageWordMeaning
1EnglishgobA lump of soft or sticky material; The mouth;...
2Irishgobbeak, bill; tip, point, projection; pointy nose
3Old Irishgop
4Proto-Celticgobbosmouth, muzzle, snout, beak; muzzle, snout;...
5Proto-Indo-Europeanǵebʰ-jaw, mouth; to eat, chew; branch
Every word from Proto-Indo-European h₂en-
gobsmacker — Etymology, Origin & Word History | Etymology Explorer