Where does “Knallteufel” come from?

Knallteufel (German) comes from German Teufel, from Middle High German tiuvel, from Old High German tiufal, from Proto-West Germanic diubul, from Latin diabolus, from Ancient Greek διάβολος, from Ancient Greek διαβάλλω, from Ancient Greek δῐᾰ- — two.

Ancestry of “Knallteufel”, step by step

Knallteufel traces back through two separate lines of ancestry.

via German Teufel

StepLanguageWordMeaning
1GermanTeufelthe Devil, Satan; a devil, satan, i.e. a creature...
2Middle High Germantiuvel
3Old High Germantiufaldevil
4Proto-West Germanicdiubuldevil
5Latindiabolusdevil
6Ancient Greekδιάβολοςslanderous; libellous; slanderer; the Devil
7Ancient Greekδιαβάλλωthrow over or across; set at variance, make a...
8Ancient Greekδῐᾰ-apart; through, across; through; in different...
9Ancient Greekδιάthroughout
10Proto-Indo-Europeandwístwice, doubly; in two
11Proto-Indo-Europeandwóh₁two

via German knallen

StepLanguageWordMeaning
1Germanknallento bang, to pop; to fuck
2Germanknallsingular imperative of knallen; first-person...
3Middle High Germanknellen
Every word from Proto-Indo-European dwóh₁