Where does “обостри́ть” come from?
обостри́ть (Russian) comes from Russian остри́ть, from Russian о́стрый, from Proto-Slavic ostrъ, from Proto-Balto-Slavic aśras, from Proto-Indo-European *h₂eḱrós, from Proto-Indo-European h₂eḱ- — sharp.
обостри́ть (Russian): to escalate, to intensify
Definitions
- to escalate, to intensify
Ancestry of “обостри́ть”, step by step
обостри́ть traces back through two separate lines of ancestry.
via Russian остри́ть
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Russian | остри́ть | to sharpen, to whet |
| 2 | Russian | о́стрый | pointed, sharp; sharp, pointed |
| 3 | Proto-Slavic | ostrъ | sharp |
| 4 | Proto-Balto-Slavic | aśras | sharp |
| 5 | Proto-Indo-European | *h₂eḱrós | sharp |
| 6 | Proto-Indo-European | h₂eḱ- | sharp |
via Russian об–
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Russian | об– | before certain letters |