Where does “Knallkörper” come from?

Knallkörper (German) comes from German körper, from Middle High German körper, from Latin corpus, from Proto-Italic korpos, from Proto-Indo-European krépos, from Proto-Indo-European krep- — body.

Knallkörper (German): firecracker, banger

Definitions

firecracker, banger

Ancestry of “Knallkörper”, step by step

Knallkörper traces back through two separate lines of ancestry.

via German körper

Step	Language	Word	Meaning
1	German	körper	body (of a person, animal, etc.)
2	Middle High German	körper	—
3	Latin	corpus	body, person; substance, material; the flesh of...
4	Proto-Italic	korpos	body
5	Proto-Indo-European	krépos	body
6	Proto-Indo-European	krep-	body

via German knall

Step	Language	Word	Meaning
1	German	knall	singular imperative of knallen; first-person...
2	Middle High German	knellen	—

Every word from Proto-Indo-European krep- →