Where does “Sârbi” come from?

Sârbi (English) comes from Romanian Sârbi, from Romanian sârb, from Serbo-Croatian Srb, from Proto-Slavic sьrbъ, from Proto-Indo-European sēr-, from Proto-Indo-European ser- — to flow; to guard; to bind, to tie together.

Ancestry of “Sârbi”, step by step

StepLanguageWordMeaning
1RomanianSârbi
2Romaniansârba Serb; Serbian
3Serbo-CroatianSrb
4Proto-Slavicsьrbъally
5Proto-Indo-Europeansēr-to flow
6Proto-Indo-Europeanser-to flow; to guard; to bind, to tie together
Every word from Proto-Indo-European ser-Every word from Proto-Indo-European sēr-Every word from Proto-Slavic sьrbъ