Where does “rückgratlos” come from?

rückgratlos (German) comes from German Rückgrat, 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.

rückgratlos (German): spineless, cowardly

Definitions

  1. spineless, cowardly

Ancestry of “rückgratlos”, step by step

StepLanguageWordMeaning
1GermanRückgratbackbone, spine
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
Every word from Proto-Indo-European (s)ḱer-Every word from Proto-Indo-European (s)krewk-Every word from Proto-Germanic hrugjaz