Where does “羅馬” come from?

羅馬 (Japanese) comes from Chinese 羅馬, from Italian Roma, from Latin Rōma — Rome and/or Constantinople (the latter as "Nova Roma").

Ancestry of “羅馬”, step by step

StepLanguageWordMeaning
1Chinese羅馬Roman
2ItalianRomaRome
3LatinRōmaRome and/or Constantinople (the latter as "Nova Roma")
Every word from Latin RōmaEvery word from Italian RomaEvery word from Chinese 羅馬