Where does “strūm” come from?

strūm (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 “strūm”, step by step

strūm traces back through two separate lines of ancestry.

via Old High German stroum

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

via Old High German strōm

StepLanguageWordMeaning
1Old High Germanstrōm

Words derived from “strūm

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