Where does “*kotorъjь” come from?
*kotorъjь (Proto-Slavic) comes from Proto-Indo-European kʷóteros, from Proto-Indo-European kʷos, from Proto-Indo-European kʷ- — The primary interrogative root.
Ancestry of “*kotorъjь”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Indo-European | kʷóteros | which of two |
| 2 | Proto-Indo-European | kʷos | See *kʷis |
| 3 | Proto-Indo-European | kʷ- | The primary interrogative root |