Where does “правобережный” come from?

правобережный (Russian) comes from Russian пра́вый, from Proto-Slavic pravъ, from Proto-Balto-Slavic prōˀwas, from Proto-Indo-European preh₃-wo-s, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

правобережный (Russian): right bank

Definitions

  1. right bank

Ancestry of “правобережный”, step by step

правобережный traces back through two separate lines of ancestry.

via Russian пра́вый

StepLanguageWordMeaning
1Russianпра́выйstraight; innocent; right-hand; right, correct;...
2Proto-Slavicpravъright, straight; correct
3Proto-Balto-Slavicprōˀwas
4Proto-Indo-Europeanpreh₃-wo-s
5Proto-Indo-Europeanper-before, in front; first; to go through
6Proto-Indo-Europeanpr̥tóspassed , crossed

via Russian берёг

StepLanguageWordMeaning
1Russianберёгmasculine singular past indicative imperfective...
2Old East Slavicберегъbank; shore
3Proto-Slavicbergъhill; slope, cliff?; bank, shore?, coast?
4Proto-Balto-Slavic*bérgashill
5Proto-Indo-European*bʰérǵʰoshill
6Proto-Indo-Europeanbʰerǵʰ-to rise; high, lofty; hill, mountain
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Indo-European preh₃-wo-s