Where does “поперечный” come from?

поперечный (Russian) comes from Russian поперёк, from Proto-Slavic perkъ, from Proto-Indo-European preh₂-, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

поперечный (Russian): cross-; transverse, crosswise; lateral

Definitions

  1. cross-; transverse, crosswise; lateral

Ancestry of “поперечный”, step by step

StepLanguageWordMeaning
1Russianпоперёкacross, athwart; across, crosswise
2Proto-Slavicperkъtransverse, direct
3Proto-Indo-Europeanpreh₂-before, in front
4Proto-Indo-Europeanper-before, in front; first; to go through
5Proto-Indo-Europeanpr̥tóspassed , crossed
Every word from Proto-Indo-European pr̥tós →Every word from Proto-Indo-European per- →Every word from Proto-Indo-European preh₂- →