Where does “rhus” come from?
rhus (Latin) comes from Ancient Greek ῥοῦς, from Ancient Greek ῥόος, from Proto-Hellenic hrówos, from Proto-Indo-European srówos, from Proto-Indo-European srew-, from Proto-Indo-European ser- — to flow; to guard; to bind, to tie together.
Ancestry of “rhus”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Ancient Greek | ῥοῦς | sumac; its fruit, used in medicine; ryegrass |
| 2 | Ancient Greek | ῥόος | stream, flow, current |
| 3 | Proto-Hellenic | hrówos | — |
| 4 | Proto-Indo-European | srówos | — |
| 5 | Proto-Indo-European | srew- | to flow, stream |
| 6 | Proto-Indo-European | ser- | to flow; to guard; to bind, to tie together |