Where does “расслабленность” come from?

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

расслабленность (Russian): relaxedness, relaxation, lack of stress;...

Definitions

  1. relaxedness, relaxation, lack of stress;...

Ancestry of “расслабленность”, 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