Where does “Kreuzwirbel” come from?

Kreuzwirbel (German) comes from German Kreuz, from Spanish Cruz, from Portuguese cruz, from Italian croce, from Latin crux, from Proto-Italic *kruks, from Proto-Indo-European sḱer- — to caw, crow.

Kreuzwirbel (German): sacral vertebra

Definitions

  1. sacral vertebra

Ancestry of “Kreuzwirbel”, step by step

Kreuzwirbel traces back through two separate lines of ancestry.

via German Kreuz

StepLanguageWordMeaning
1GermanKreuzcross; clubs; sharp
2SpanishCruzcross
3Portuguesecruzcross
4Italiancrocecross
5Latincruxwooden frame on which criminals were crucified,...
6Proto-Italic*kruks—
7Proto-Indo-Europeansḱer-to caw, crow

via German Wirbel

StepLanguageWordMeaning
1GermanWirbelwhirl; whorl; vortex
2Middle High Germanwirbel—
3Old High Germanwirbil—
4Proto-Germanichwirbilazcircle, ring, whirl
5Proto-Germanic-ilazagent suffix; diminutive suffix
6Proto-Indo-European-lósForms agent nouns from verbal roots
Every word from Proto-Indo-European sḱer- →Every word from Proto-Italic *kruks →Every word from Latin crux →