Where does “Krummlauf” come from?

Krummlauf (German) comes from German krumm, from Middle High German krump, from Old High German krump, from Proto-West Germanic *krump, from Proto-Germanic krumbaz, from Proto-Germanic krumpaz, from Proto-Indo-European gerb-, from Proto-Indo-European ger- — to turn, bend, twist, wind; to tie, bind...

Krummlauf (German): bent barrel device for shooting around corners

Definitions

  1. bent barrel device for shooting around corners

Ancestry of “Krummlauf”, step by step

Krummlauf traces back through two separate lines of ancestry.

via German krumm

StepLanguageWordMeaning
1Germankrummcrooked; lame, limping
2Middle High Germankrump
3Old High Germankrumpcrooked
4Proto-West Germanic*krump
5Proto-GermanickrumbazAlternative form of *krumpaz
6Proto-Germanickrumpazbent, crooked, curved
7Proto-Indo-Europeangerb-to turn, wind; to shrink, shrivel
8Proto-Indo-Europeanger-to turn, bend, twist, wind; to tie, bind...

via German Lauf

StepLanguageWordMeaning
1GermanLaufa run; a leg of certain animals; barrel
2Middle High Germanlouf
3Old High Germanhlouf
4Proto-Germanichlaupąleap; course, race
5Proto-Germanichlaupanąto jump forward, to leap
6Proto-Indo-Europeanklaup-
Every word from Proto-Indo-European ger-Every word from Proto-Indo-European gerb-Every word from Proto-Germanic krumpaz