Where does “морской окунь” come from?

морской окунь (Russian) comes from Russian о́кунь, from Old East Slavic о́кунь, from Proto-Slavic okunь — big-eyed fish.

морской окунь (Russian): rockfish (Sebastes sp.)

Definitions

  1. rockfish (Sebastes sp.)

Ancestry of “морской окунь”, step by step

морской окунь traces back through two separate lines of ancestry.

via Russian о́кунь

StepLanguageWordMeaning
1Russianо́куньperch
2Old East Slavicо́кунь—
3Proto-Slavicokunьbig-eyed fish

via Russian морско́й

StepLanguageWordMeaning
1Russianморско́йsea
Every word from Proto-Slavic okunь →Every word from Old East Slavic о́кунь →Every word from Russian о́кунь →