Where does “древнеримский” come from?

древнеримский (Russian) comes from Russian ри́мский, from Russian Рим, from Old East Slavic Римъ, from Old Church Slavonic Римъ, from Proto-Slavic Rimъ, from Latin Rōma — Rome and/or Constantinople (the latter as "Nova Roma").

древнеримский (Russian): Ancient Roman

Definitions

  1. Ancient Roman

Ancestry of “древнеримский”, step by step

StepLanguageWordMeaning
1Russianри́мскийRome, Roman
2RussianРим—
3Old East SlavicРимъ—
4Old Church SlavonicРимъ—
5Proto-SlavicRimъRome
6LatinRōmaRome and/or Constantinople (the latter as "Nova Roma")
Every word from Latin Rōma →Every word from Proto-Slavic Rimъ →Every word from Old Church Slavonic Римъ →