Where does “*krustos” come from?
*krustos (Proto-Italic) comes from Proto-Indo-European krustós, from Proto-Indo-European krews- — to form a crust, begin to freeze.
Ancestry of “*krustos”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Indo-European | krustós | hardened |
| 2 | Proto-Indo-European | krews- | to form a crust, begin to freeze |