Etymology Explorer › English

Where does “midstream” come from?

Midstream comes from Middle English midstream, from Old English mid (with) combined with strēam, which derives from Proto-Germanic straumaz and ultimately Proto-Indo-European srowmos from the root ser-.

midstream (English): The middle of a stream or river

Definitions

  1. The middle of a stream or river

Ancestry of “midstream”, step by step

StepLanguageWordMeaning
1EnglishstreamA small river; a large creek; a body of moving...
2Middle EnglishstreemAlternative form of strem
3Middle EnglishstremA waterbody; a region of the world containing...
4Old Englishstrēamcurrent; stream
5Proto-West Germanicstraumstream
6Proto-Germanicstraumazstream, current, river
7Proto-Indo-Europeansrowmosriver
8Proto-Indo-Europeansrew-to flow, stream
9Proto-Indo-Europeanser-to flow; to guard; to bind, to tie together
Every word from Proto-Indo-European ser- →