Old Church Slavonic edit

Etymology edit

From Proto-Slavic *ostrъ, from Proto-Balto-Slavic *aśrás, from Proto-Indo-European *h₂ḱrós.

Adjective edit

остръ (ostrŭ)

  1. sharp
  2. rough

Derived terms edit

Descendants edit

  • Bulgarian: остър (ostǎr)