Where does “значительность” come from?

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

значительность (Russian): importance, significance

Definitions

  1. importance, significance

Ancestry of “значительность”, step by step

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