Where does “просторность” come from?

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

просторность (Russian): spaciousness, roominess

Definitions

  1. spaciousness, roominess

Ancestry of “просторность”, 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 →