Where does “Knackpunkt” come from?

Knackpunkt (German) comes from German Punkt, from Latin pūnctum, from Latin punctus, from Latin -tus, from Proto-Italic -tus, from Proto-Indo-European -tus — Derives action nouns from verb roots.

Knackpunkt (German): crux, key point, decisive factor

Definitions

  1. crux, key point, decisive factor

Ancestry of “Knackpunkt”, step by step

Knackpunkt traces back through two separate lines of ancestry.

via German Punkt

StepLanguageWordMeaning
1GermanPunktdot; full stop, period; decimal point, point,...
2Latinpūnctumpoint
3Latinpunctuspricked, punctured, pierced, having been pricked;...
4Latin-tusForms the past participle of verbs; Forms...
5Proto-Italic-tus
6Proto-Indo-European-tusDerives action nouns from verb roots

via German knacken

StepLanguageWordMeaning
1Germanknackento make a cracking sound
2Middle High Germanknacken
Every word from Proto-Indo-European -tus