Where does “боковой” come from?

боковой (Russian) comes from Russian бок, from Proto-Slavic bokъ — side.

боковой (Russian): side, flank; lateral

Definitions

  1. side, flank; lateral

Ancestry of “боковой”, step by step

StepLanguageWordMeaning
1Russianбокside
2Proto-Slavicbokъside
Every word from Proto-Slavic bokъEvery word from Russian бок