Where does “-тво” come from?

-тво (Ukrainian) comes from Ukrainian -́ство, from Proto-Slavic -ьstvo, from Proto-Balto-Slavic -istwas.

Ancestry of “-тво”, step by step

StepLanguageWordMeaning
1Ukrainian-́ствоSuffix added to nouns and adjectives to create an abstract noun, corresponding to English -ness, -hood, -dom
2Proto-Slavic-ьstvoDeadjectival, forming nouns denoting a condition...
3Proto-Balto-Slavic-istwas—

Words derived from “-тво”

Every word from Proto-Balto-Slavic -istwas →Every word from Ukrainian -́ство →Every word from Proto-Slavic -ьstvo →