Where does “ошибочный” come from?
ошибочный (Russian) comes from Russian оши́бка, from Russian ошиба́ться, from Russian ошиби́ться, from Russian -ся, from Old East Slavic сѧ, from Proto-Slavic sę, from Proto-Balto-Slavic *sen, from Proto-Indo-European swé — self.
Ancestry of “ошибочный”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Russian | оши́бка | — |
| 2 | Russian | ошиба́ться | — |
| 3 | Russian | ошиби́ться | — |
| 4 | Russian | -ся | Reflexive suffix appended to finite verbs and... |
| 5 | Old East Slavic | сѧ | — |
| 6 | Proto-Slavic | sę | oneself: myself, yourself, himself, herself,... |
| 7 | Proto-Balto-Slavic | *sen | — |
| 8 | Proto-Indo-European | swé | self |