Where does “Bê-ô-grát” come from?

Bê-ô-grát (Vietnamese) comes from Serbo-Croatian Бе̏оград, from Serbo-Croatian гра̑д, from Latin gradus, from Proto-Italic graðus, from Proto-Indo-European gʰradʰ-.

Ancestry of “Bê-ô-grát”, step by step

StepLanguageWordMeaning
1Serbo-CroatianБе̏оград—
2Serbo-Croatianгра̑дcity
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 →