Where does “плоскость” come from?

плоскость (Russian) comes from Russian -ость, from Proto-Slavic -ostь — Used with adjectival stems to form abstract...

плоскость (Russian): plane; flatness, flat; platitude

Definitions

  1. plane; flatness, flat; platitude

Ancestry of “плоскость”, step by step

StepLanguageWordMeaning
1Russian-ость-ness, -ity
2Proto-Slavic-ostьUsed with adjectival stems to form abstract...

Words derived from “плоскость”

Every word from Proto-Slavic -ostь →Every word from Russian -ость →