Where does “тетрадь” come from?
тетрадь (Russian) comes from Ancient Greek τετράδιον, from Ancient Greek τετράς, from Proto-Indo-European kʷetwóres, from Proto-Indo-European kʷe- — and.
тетрадь (Russian): exercise book, notebook
Ancestry of “тетрадь”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Ancient Greek | τετράδιον | quaternion of parchment |
| 2 | Ancient Greek | τετράς | the number four; tetrarchy; four-leaved pamphlet,... |
| 3 | Proto-Indo-European | kʷetwóres | four |
| 4 | Proto-Indo-European | kʷe- | and |