Where does “Ру́се” come from?

Ру́се (Bulgarian) comes from Ancient Greek ῥοῦς, from Ancient Greek ῥόος, from Proto-Hellenic hrówos, from Proto-Indo-European srówos, from Proto-Indo-European srew-, from Proto-Indo-European ser- — to flow; to guard; to bind, to tie together.

Ancestry of “Ру́се”, step by step

StepLanguageWordMeaning
1Ancient Greekῥοῦςsumac; its fruit, used in medicine; ryegrass
2Ancient Greekῥόοςstream, flow, current
3Proto-Hellenichrówos—
4Proto-Indo-Europeansrówos—
5Proto-Indo-Europeansrew-to flow, stream
6Proto-Indo-Europeanser-to flow; to guard; to bind, to tie together

Words derived from “Ру́се”

Every word from Proto-Indo-European ser- →Every word from Proto-Indo-European srew- →Every word from Proto-Indo-European srówos →
Ру́се — Etymology, Origin & Word History | Etymology Explorer