Where does “очный” come from?

очный (Russian) comes from Russian о́ко, from Old East Slavic око, from Proto-Slavic ȍko, from Proto-Balto-Slavic ak-, from Proto-Indo-European h₃ókʷs, from Proto-Indo-European h₃ekʷ- — to see; eye.

очный (Russian): face to face; classroom

Definitions

  1. face to face; classroom

Ancestry of “очный”, step by step

StepLanguageWordMeaning
1Russianо́коeye
2Old East Slavicокоeye
3Proto-Slavicȍkoeye
4Proto-Balto-Slavicak-eye
5Proto-Indo-Europeanh₃ókʷseye
6Proto-Indo-Europeanh₃ekʷ-to see; eye
Every word from Proto-Indo-European h₃ekʷ- →Every word from Proto-Indo-European h₃ókʷs →Every word from Proto-Balto-Slavic ak- →