Where does “crux” come from?

crux (Dutch) comes from Latin crux, from Proto-Italic *kruks, from Proto-Indo-European sḱer- — to caw, crow.

crux (Dutch): crucial or otherwise serious, difficult problem

Definitions

  1. crucial or otherwise serious, difficult problem

Ancestry of “crux”, step by step

StepLanguageWordMeaning
1Latincruxwooden frame on which criminals were crucified,...
2Proto-Italic*kruks—
3Proto-Indo-Europeansḱer-to caw, crow
Every word from Proto-Indo-European sḱer- →Every word from Proto-Italic *kruks →Every word from Latin crux →