Etymology Explorer › English

Where does “know-it-all” come from?

know-it-all (English) comes from English all, from Middle English all, from Old English eall, from Proto-West Germanic all, from Proto-Germanic allaz, from Proto-Indo-European h₂él-.

know-it-all (English): Someone who claims to be knowledgeable or an...

Definitions

  1. Someone who claims to be knowledgeable or an...

Ancestry of “know-it-all”, step by step

StepLanguageWordMeaning
1EnglishallEvery individual or anything of the given class,...
2Middle Englishallall; all, every
3Old Englisheallall; whole, entire; everything
4Proto-West Germanicallall
5Proto-Germanicallazall
6Proto-Indo-Europeanh₂él-—

Words derived from “know-it-all”

  • know-it-allery
Every word from Proto-Indo-European h₂él- →