Where does “Crux” come from?
Crux comes from Latin crux, traced through Proto-Indo-European (s)ker- and ultimately to Proto-Indo-European sek-, meaning to cut or separate.
Ancestry of “Crux”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Latin | crux | wooden frame on which criminals were crucified,... |
| 2 | Proto-Italic | *kruks | — |
| 3 | Proto-Indo-European | sḱer- | to caw, crow |