Where does “единственность” come from?

единственность (Russian) comes from Russian еди́нственный, from Russian еди́нство, from Russian -ство́, from Proto-Slavic -ьstvo, from Proto-Balto-Slavic -istwas.

единственность (Russian): uniqueness, singularity

Definitions

  1. uniqueness, singularity

Ancestry of “единственность”, step by step

StepLanguageWordMeaning
1Russianеди́нственныйsole, only, unique
2Russianеди́нствоunity, unanimity, oneness
3Russian-ство́suffix appended to nouns and adjectives to create a neuter noun, usually an abstract noun denoting a relation, social status, scientific discipline, quality or state: -hood, -ness, -ship, -ity, -y
4Proto-Slavic-ьstvoDeadjectival, forming nouns denoting a condition...
5Proto-Balto-Slavic-istwas
Every word from Proto-Balto-Slavic -istwasEvery word from Russian -ство́Every word from Proto-Slavic -ьstvo
единственность — Etymology, Origin & Word History | Etymology Explorer