Where does “шестилетний” come from?
шестилетний (Russian) comes from Russian шесть, from Old East Slavic шесть, from Proto-Slavic šestь, from Proto-Balto-Slavic šéš, from Proto-Indo-European swéḱs — six.
шестилетний (Russian): six-year; six-year-old
Ancestry of “шестилетний”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Russian | шесть | six |
| 2 | Old East Slavic | шесть | — |
| 3 | Proto-Slavic | šestь | six |
| 4 | Proto-Balto-Slavic | šéš | six |
| 5 | Proto-Indo-European | swéḱs | six |