Where does “кто” come from?
кто (Russian) comes from Old East Slavic къто, from Proto-Slavic kъto, from Proto-Indo-European kʷós — who.
кто (Russian): who
Ancestry of “кто”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Old East Slavic | къто | — |
| 2 | Proto-Slavic | kъto | who |
| 3 | Proto-Indo-European | kʷós | who |