Where does “osvědčený” come from?
osvědčený (Czech) comes from Czech osvědčit, from Czech o-, from Proto-Slavic o(b), from Proto-Balto-Slavic ab, from Proto-Indo-European h₃ebʰi.
osvědčený (Czech): time-tested, proven
Ancestry of “osvědčený”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Czech | osvědčit | to certify; to prove good or useful |
| 2 | Czech | o- | around, all around; A complete action, a... |
| 3 | Proto-Slavic | o(b) | around, about; concerning; against, on |
| 4 | Proto-Balto-Slavic | ab | — |
| 5 | Proto-Indo-European | h₃ebʰi | — |