Where does “жестость” come from?

жестость (Old Church Slavonic) comes from Old Church Slavonic -ость, from Proto-Slavic -ostь — Used with adjectival stems to form abstract...

жестость (Old Church Slavonic): severity

Definitions

  1. severity

Ancestry of “жестость”, step by step

StepLanguageWordMeaning
1Old Church Slavonic-ость-ness, -ity; deadjectival nominalizing suffix...
2Proto-Slavic-ostьUsed with adjectival stems to form abstract...
Every word from Proto-Slavic -ostь →Every word from Old Church Slavonic -ость →