Where does “gobstruck” come from?

gobstruck (English) comes from English gob, from Irish gob, from Old Irish gop, from Proto-Celtic gobbos, from Proto-Indo-European ǵebʰ- — jaw, mouth; to eat, chew; branch.

gobstruck (English): gobsmacked; astonished; astounded

Definitions

  1. gobsmacked; astonished; astounded

Ancestry of “gobstruck”, step by step

gobstruck traces back through two separate lines of ancestry.

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

via English struck

StepLanguageWordMeaning
1Englishstrucksimple past tense and past participle of strike
Every word from Proto-Indo-European ǵebʰ-
gobstruck — Etymology, Origin & Word History | Etymology Explorer