Where does “[[čtyřie]], [[čtyři]]” come from?
[[čtyřie]], [[čtyři]] (Old Czech) comes from Proto-Slavic četyre, from Proto-Balto-Slavic ketures, from Proto-Indo-European kʷetwóres, from Proto-Indo-European kʷe- — and.
Ancestry of “[[čtyřie]], [[čtyři]]”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Slavic | četyre | four |
| 2 | Proto-Balto-Slavic | ketures | — |
| 3 | Proto-Indo-European | kʷetwóres | four |
| 4 | Proto-Indo-European | kʷe- | and |