Where does “остръ” come from?
остръ (Old Church Slavonic) comes from Proto-Slavic ostrъ, from Proto-Balto-Slavic aśras, from Proto-Indo-European *h₂eḱrós, from Proto-Indo-European h₂eḱ- — sharp.
остръ (Old Church Slavonic): sharp; rough
Definitions
- sharp; rough