Where does “Рио де Жанеиро//Rio de Žaneiro” come from?

Рио де Жанеиро//Rio de Žaneiro (Serbo-Croatian) comes from Portuguese Rio de Janeiro — River of January.

Ancestry of “Рио де Жанеиро//Rio de Žaneiro”, step by step

StepLanguageWordMeaning
1PortugueseRio de JaneiroRiver of January
Every word from Portuguese Rio de Janeiro