Where does “-ествовать” come from?

-ествовать (Russian) comes from Russian -ество́, from Proto-Slavic -ьstvo, from Proto-Balto-Slavic -istwas.

Ancestry of “-ествовать”, step by step

StepLanguageWordMeaning
1Russian-ество́suffix 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, -ity
2Proto-Slavic-ьstvoDeadjectival, forming nouns denoting a condition...
3Proto-Balto-Slavic-istwas

Words derived from “-ествовать

Every word from Proto-Balto-Slavic -istwasEvery word from Russian -ество́Every word from Proto-Slavic -ьstvo
-ествовать — Etymology, Origin & Word History | Etymology Explorer