Where does “национальность” come from?

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

национальность (Russian): ethnic group; ethnicity

Definitions

  1. ethnic group; ethnicity

Ancestry of “национальность”, 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