Where does “cnifittus” come from?

cnifittus (Medieval Latin) comes from Latin cnifus, from Frankish knīb, from Proto-Germanic knībaz, from Proto-Germanic knīpaną, from Proto-Indo-European ǵneybʰ-.

Ancestry of “cnifittus”, step by step

StepLanguageWordMeaning
1Latincnifusknife
2Frankishknībknife
3Proto-Germanicknībazpincers; shears; knife
4Proto-Germanicknīpanąto pinch
5Proto-Indo-Europeanǵneybʰ-—
Every word from Proto-Indo-European ǵneybʰ- →Every word from Proto-Germanic knīpaną →Every word from Proto-Germanic knībaz →