Where does “Mainstream” come from?

Mainstream (German) comes from English mainstream, from English stream, from Middle English streem, from Middle English strem, from Old English strēam, from Proto-West Germanic straum, from Proto-Germanic straumaz, from Proto-Indo-European srowmos — to flow; to guard; to bind, to tie together.

Mainstream (German): mainstream

Definitions

  1. mainstream

Ancestry of “Mainstream”, step by step

StepLanguageWordMeaning
1EnglishmainstreamUsed or accepted broadly rather than by small...
2EnglishstreamA small river; a large creek; a body of moving...
3Middle EnglishstreemAlternative form of strem
4Middle EnglishstremA waterbody; a region of the world containing...
5Old Englishstrēamcurrent; stream
6Proto-West Germanicstraumstream
7Proto-Germanicstraumazstream, current, river
8Proto-Indo-Europeansrowmosriver
9Proto-Indo-Europeansrew-to flow, stream
10Proto-Indo-Europeanser-to flow; to guard; to bind, to tie together

Words derived from “Mainstream

Every word from Proto-Indo-European ser-