Where does “stroum” come from?

stroum (Middle High German) comes from Old High German stroum, from Proto-West Germanic straum, from Proto-Germanic straumaz, from Proto-Indo-European srowmos, from Proto-Indo-European srew-, from Proto-Indo-European ser- — to flow; to guard; to bind, to tie together.

Ancestry of “stroum”, step by step

StepLanguageWordMeaning
1Old High Germanstroum—
2Proto-West Germanicstraumstream
3Proto-Germanicstraumazstream, current, river
4Proto-Indo-Europeansrowmosriver
5Proto-Indo-Europeansrew-to flow, stream
6Proto-Indo-Europeanser-to flow; to guard; to bind, to tie together

Words derived from “stroum”

Every word from Proto-Indo-European ser- →Every word from Proto-Indo-European srew- →Every word from Proto-Indo-European srowmos →