Where does “законченность” come from?

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

законченность (Russian): completeness; virtuosity, state of being...

Definitions

  1. completeness; virtuosity, state of being...

Ancestry of “законченность”, 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 →