Where does “knallhart” come from?

knallhart (German) comes from German hart, from Middle High German Hart, from Old High German hart, from Proto-West Germanic hard(ī), from Proto-Germanic harduz, from Proto-Indo-European kert-, from Proto-Turkic *keŕ- — to travel, tour.

knallhart (German): tough

Definitions

  1. tough

Ancestry of “knallhart”, step by step

knallhart traces back through two separate lines of ancestry.

via German hart

StepLanguageWordMeaning
1Germanharthard; severe, harsh; sharply, roughly, severely
2Middle High GermanHarthill forest
3Old High Germanharthard
4Proto-West Germanichard(ī)hard
5Proto-Germanicharduzhard; brave
6Proto-Indo-Europeankert-times; to weave, twist together; time
7Proto-Turkic*keŕ-to travel, tour

via German knallen

StepLanguageWordMeaning
1Germanknallento bang, to pop; to fuck
2Germanknallsingular imperative of knallen; first-person...
3Middle High Germanknellen
Every word from Proto-Turkic *keŕ-Every word from Proto-Indo-European kert-Every word from Proto-Germanic harduz