Where does “Ռոստով” come from?

Ռոստով (Armenian) comes from Russian Росто́в — also called Росто́в Вели́кий.

Ancestry of “Ռոստով”, step by step

StepLanguageWordMeaning
1RussianРосто́вalso called Росто́в Вели́кий
Every word from Russian Росто́в