Where does “-znawstwo” come from?

-znawstwo (Polish) comes from Polish -stwo, from Proto-Slavic -ьstvo, from Proto-Balto-Slavic -istwas.

Ancestry of “-znawstwo”, step by step

StepLanguageWordMeaning
1Polish-stwoSuffix appended to words to create a neuter noun,...
2Proto-Slavic-ьstvoDeadjectival, forming nouns denoting a condition...
3Proto-Balto-Slavic-istwas—

Words derived from “-znawstwo”

Every word from Proto-Balto-Slavic -istwas →Every word from Polish -stwo →Every word from Proto-Slavic -ьstvo →
-znawstwo — Etymology, Origin & Word History | Etymology Explorer