Where does “Dnipro” come from?

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

Ancestry of “Dnipro”, step by step

Step	Language	Word	Meaning
1	Ukrainian	Дніпро́	Dnieper
2	Ukrainian	Днѣпръ	—
3	Old East Slavic	Дънѣпръ	—
4	Proto-Slavic	Dъněprъ	—