Where does “kto” come from?
kto (Serbo-Croatian) comes from Serbo-Croatian tko, from Proto-Slavic kъto, from Proto-Indo-European kʷós — who.
kto (Serbo-Croatian): Obsolete form of tko
Ancestry of “kto”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Serbo-Croatian | tko | who; relative and indefinite pronoun |
| 2 | Proto-Slavic | kъto | who |
| 3 | Proto-Indo-European | kʷós | who |