Where does “Дніпропетровщина” come from?

Дніпропетровщина (Ukrainian) comes from Ukrainian Дніпро́, from Ukrainian Днѣпръ, from Old East Slavic Дънѣпръ, from Proto-Slavic Dъněprъ.

Ancestry of “Дніпропетровщина”, step by step

Дніпропетровщина traces back through two separate lines of ancestry.

via Ukrainian Дніпро́

StepLanguageWordMeaning
1UkrainianДніпро́Dnieper
2UkrainianДнѣпръ—
3Old East SlavicДънѣпръ—
4Proto-SlavicDъněprъ—

via Ukrainian Петро́вський

StepLanguageWordMeaning
1UkrainianПетро́вський—
Every word from Proto-Slavic Dъněprъ →Every word from Old East Slavic Дънѣпръ →Every word from Ukrainian Днѣпръ →