Where does “Rücktrittbremse” come from?

Rücktrittbremse (German) comes from German Rücktritt, from German rück-, from Middle High German rücke, from Old High German rucki, from Proto-West Germanic hrugi, from Proto-Germanic hrugjaz, from Proto-Indo-European (s)krewk-, from Proto-Indo-European (s)ḱer- — dung, manure, filth; manure, dung, filth.

Rücktrittbremse (German): coaster brake, back pedal brake

Definitions

  1. coaster brake, back pedal brake

Ancestry of “Rücktrittbremse”, step by step

Rücktrittbremse traces back through two separate lines of ancestry.

via German Rücktritt

StepLanguageWordMeaning
1GermanRücktrittresignation, demission; rescission, cancelation;...
2Germanrück-back
3Middle High Germanrückeback
4Old High Germanruckiback
5Proto-West Germanichrugiback; spine
6Proto-Germanichrugjazback; spine; ridge
7Proto-Indo-European(s)krewk-to turn, bend
8Proto-Indo-European(s)ḱer-dung, manure, filth; manure, dung, filth

via German brēmse

StepLanguageWordMeaning
1Germanbrēmsebrake, device for causing deceleration
2Middle Low Germanbrēmse
3Old Saxonbrimissa
4Old Saxon*brummōn
5Proto-West Germanic*brummōnto drone, hum, growl
Every word from Proto-Indo-European (s)ḱer-Every word from Proto-Indo-European (s)krewk-Every word from Proto-Germanic hrugjaz