Where does “kjaftæði” come from?

kjaftæði (Icelandic) comes from Icelandic kjaftur, from Old Norse kjaptr, from Proto-Germanic kefutaz, from Proto-Indo-European ǵép-uns, from Proto-Indo-European ǵep- — to eat, chew.

kjaftæði (Icelandic): nonsense, bullshit

Definitions

  1. nonsense, bullshit

Ancestry of “kjaftæði”, step by step

kjaftæði traces back through two separate lines of ancestry.

via Icelandic kjaftur

StepLanguageWordMeaning
1Icelandickjafturthe chops, or jaws; the mouth; an opening of a...
2Old Norsekjaptrjaw; gaping jaws
3Proto-Germanickefutaz—
4Proto-Indo-Europeanǵép-uns—
5Proto-Indo-Europeanǵep-to eat, chew

via Icelandic æði

StepLanguageWordMeaning
1Icelandicæðirage, fury; madness, frenzy; nature, disposition
2Old Norseǿði—
Every word from Proto-Indo-European ǵep- →Every word from Proto-Indo-European ǵép-uns →Every word from Proto-Germanic kefutaz →