Where does “rhesus” come from?
rhesus (New Latin) comes from Latin Rhēsus, from Ancient Greek Ῥῆσος, from Proto-Indo-European h₃reǵ- — to straighten, to right oneself; right; just.
Ancestry of “rhesus”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Latin | Rhēsus | — |
| 2 | Ancient Greek | Ῥῆσος | — |
| 3 | Proto-Indo-European | h₃reǵ- | to straighten, to right oneself; right; just |