Where does “sprettkniv” come from?

sprettkniv (Norwegian Nynorsk) comes from Norwegian Nynorsk kniv, from Old Norse knífr, from Proto-Germanic knībaz, from Proto-Germanic knīpaną, from Proto-Indo-European ǵneybʰ-.

sprettkniv (Norwegian Nynorsk): a switchblade

Definitions

  1. a switchblade

Ancestry of “sprettkniv”, step by step

sprettkniv traces back through two separate lines of ancestry.

via Norwegian Nynorsk kniv

StepLanguageWordMeaning
1Norwegian Nynorskknivknife
2Old Norseknífrknife
3Proto-Germanicknībazpincers; shears; knife
4Proto-Germanicknīpanąto pinch
5Proto-Indo-Europeanǵneybʰ-—

via Norwegian Nynorsk spretta

StepLanguageWordMeaning
1Norwegian Nynorskspretta—
Every word from Proto-Indo-European ǵneybʰ- →Every word from Proto-Germanic knīpaną →Every word from Proto-Germanic knībaz →