Where does “проницаемость” come from?

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

проницаемость (Russian): permeability, penetrability, perviousness,...

Definitions

  1. permeability, penetrability, perviousness,...

Ancestry of “проницаемость”, step by step

StepLanguageWordMeaning
1Russian-ость-ness, -ity
2Proto-Slavic-ostьUsed with adjectival stems to form abstract...
Every word from Proto-Slavic -ostь →Every word from Russian -ость →