Where does “достичься” come from?
достичься (Russian) comes from Russian -ся, from Old East Slavic сѧ, from Proto-Slavic sę, from Proto-Balto-Slavic *sen, from Proto-Indo-European swé — self.
достичься (Russian): passive of дости́чь
Ancestry of “достичься”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Russian | -ся | Reflexive suffix appended to finite verbs and... |
| 2 | Old East Slavic | сѧ | — |
| 3 | Proto-Slavic | sę | oneself: myself, yourself, himself, herself,... |
| 4 | Proto-Balto-Slavic | *sen | — |
| 5 | Proto-Indo-European | swé | self |