Where does “сімдесятитисячний” come from?

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

сімдесятитисячний (Ukrainian): seventy-thousandth 70,000th

Definitions

  1. seventy-thousandth 70,000th

Ancestry of “сімдесятитисячний”, 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 -ьnъEvery word from Ukrainian -ни́й