Where does “ドニプロ” come from?

ドニプロ (Japanese) comes from Ukrainian Дніпро́, from Ukrainian Днѣпръ, from Old East Slavic Дънѣпръ, from Proto-Slavic Dъněprъ.

Ancestry of “ドニプロ”, step by step

StepLanguageWordMeaning
1UkrainianДніпро́Dnieper
2UkrainianДнѣпръ—
3Old East SlavicДънѣпръ—
4Proto-SlavicDъněprъ—
Every word from Proto-Slavic Dъněprъ →Every word from Old East Slavic Дънѣпръ →Every word from Ukrainian Днѣпръ →