Where does “Beogrado” come from?

Beogrado (Esperanto) comes from Serbo-Croatian Bȅograd, from Serbo-Croatian grȃd, from Latin gradus, from Proto-Italic graðus, from Proto-Indo-European gʰradʰ-.

Ancestry of “Beogrado”, step by step

StepLanguageWordMeaning
1Serbo-CroatianBȅograd—
2Serbo-Croatiangrȃdcity
3Latingradusa step, pace; a stage, degree; a rank
4Proto-Italicgraðus—
5Proto-Indo-Europeangʰradʰ-—
Every word from Proto-Indo-European gʰradʰ- →Every word from Proto-Italic graðus →Every word from Latin gradus →