Where does “пропорциональность” come from?

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

пропорциональность (Russian): proportionality the property of being proportional

Definitions

  1. proportionality the property of being proportional

Ancestry of “пропорциональность”, 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 →