Where does “transnistreană” come from?

transnistreană (Romanian) comes from Romanian Transnistria, from Romanian Nistru, from Old East Slavic Дънѣстръ, from Proto-Slavic *Dъněstrъ.

Ancestry of “transnistreană”, step by step

StepLanguageWordMeaning
1RomanianTransnistria
2RomanianNistruDniester
3Old East SlavicДънѣстръ
4Proto-Slavic*Dъněstrъ
Every word from Proto-Slavic *DъněstrъEvery word from Old East Slavic ДънѣстръEvery word from Romanian Nistru