Where does “заостри́ть” come from?

заостри́ть (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.

заостри́ть (Russian): to sharpen

Definitions

  1. to sharpen

Ancestry of “заостри́ть”, step by step

StepLanguageWordMeaning
1Russianостри́тьto sharpen, to whet
2Russianо́стрыйpointed, sharp; sharp, pointed
3Proto-Slavicostrъsharp
4Proto-Balto-Slavicaśrassharp
5Proto-Indo-European*h₂eḱróssharp
6Proto-Indo-Europeanh₂eḱ-sharp

Words derived from “заостри́ть

Every word from Proto-Indo-European h₂eḱ-Every word from Proto-Indo-European *h₂eḱrósEvery word from Proto-Balto-Slavic aśras