Where does “Օդեսա” come from?

Օդեսա (Armenian) comes from Russian Оде́сса, from Ancient Greek Ὀδησσός.

Ancestry of “Օդեսա”, step by step

StepLanguageWordMeaning
1RussianОде́ссаOdessa
2Ancient GreekὈδησσός—
Every word from Ancient Greek Ὀδησσός →Every word from Russian Оде́сса →