Where does “Rovno” come from?

Rovno (Dutch) comes from Russian Ро́вно, from Russian ро́вный, from Proto-Slavic orvьnъ, from Proto-Slavic -ьnъ — -ish, -ic, -al, -ed; From adjectives.

Ancestry of “Rovno”, step by step

StepLanguageWordMeaning
1RussianРо́вноsmoothly
2Russianро́вныйeven, level
3Proto-Slavicorvьnъstraight; even
4Proto-Slavic-ьnъ-ish, -ic, -al, -ed; From adjectives
Every word from Proto-Slavic -ьnъ →Every word from Proto-Slavic orvьnъ →Every word from Russian ро́вный →