Where does “обміняний” come from?

обміняний (Ukrainian) comes from Ukrainian -ни́й, from Proto-Slavic -ьnъ — -ish, -ic, -al, -ed; From adjectives.

Ancestry of “обміняний”, step by step

StepLanguageWordMeaning
1Ukrainian-ни́йUsed to form adjectives from nouns; -ish, -y
2Proto-Slavic-ьnъ-ish, -ic, -al, -ed; From adjectives
Every word from Proto-Slavic -ьnъ →Every word from Ukrainian -ни́й →