Where does “Zweifelsfall” come from?

Zweifelsfall (German) comes from German fäll, from Middle High German val, from Old High German val, from Proto-West Germanic fall, from Proto-Germanic fallaz, from German Falz, from Latin falx, from Proto-Indo-European dʰelg- — a cutting tool; to stick; needle, pin.

Zweifelsfall (German): case of doubt

Definitions

  1. case of doubt

Ancestry of “Zweifelsfall”, step by step

Zweifelsfall traces back through two separate lines of ancestry.

via German fäll

StepLanguageWordMeaning
1Germanfällsingular imperative of fällen; first-person...
2Middle High Germanvalfall; case
3Old High Germanvalfall
4Proto-West Germanicfalla fall; death, destruction, downfall
5Proto-Germanicfallaza fall; death, destruction, downfall
6GermanFalzfold; rabbet, rebate; seam
7Latinfalxsickle, scythe; a hook used to pull down walls
8Proto-Indo-Europeandʰelg-a cutting tool; to stick; needle, pin

via German Zweifel

StepLanguageWordMeaning
1GermanZweifeldoubt
2Middle High Germanzwīvel
3Old High Germanzwīfaltwo-fold
4Proto-West Germanictwīfldoubt
5Proto-Germanictwīflazdoubt
6Proto-Indo-Europeandwóh₁two
Every word from Proto-Indo-European dʰelg-Every word from Latin falxEvery word from German Falz