Where does “duope” come from?
duope (Esperanto) comes from Esperanto -ope, from Ancient Greek ὤψ, from Proto-Hellenic ókʷs, from Proto-Indo-European h₃ókʷs, from Proto-Indo-European h₃ekʷ- — to see; eye.
duope (Esperanto): by twos
Ancestry of “duope”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Esperanto | -ope | Marks collective numerals |
| 2 | Ancient Greek | ὤψ | to the eye; in the face; eye |
| 3 | Proto-Hellenic | ókʷs | — |
| 4 | Proto-Indo-European | h₃ókʷs | eye |
| 5 | Proto-Indo-European | h₃ekʷ- | to see; eye |