Where does “rūz” come from?
rūz (Middle High German) comes from Old High German ruoz, from Proto-Germanic hrōtaz, from Proto-Indo-European kreH(u)d- — grime, soot.
Ancestry of “rūz”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Old High German | ruoz | — |
| 2 | Proto-Germanic | hrōtaz | soot |
| 3 | Proto-Indo-European | kreH(u)d- | grime, soot |