Where does “плюсовой” come from?

плюсовой (Russian) comes from Russian плюс, from Latin plūs, from Old Latin plous, from Proto-Indo-European ploh₁is-.

плюсовой (Russian): plus

Definitions

  1. plus

Ancestry of “плюсовой”, step by step

StepLanguageWordMeaning
1Russianплюсplus sign
2Latinplūsmore; more of
3Old Latinplous—
4Proto-Indo-Europeanploh₁is-—
Every word from Proto-Indo-European ploh₁is- →Every word from Old Latin plous →Every word from Latin plūs →