Etymology Explorer › English

Where does “downstream” come from?

Downstream comes from Middle English down- combined with Old English strēam, from Proto-Germanic straumaz and Proto-Indo-European srowmos, ultimately from the root ser-.

downstream (English): Lower down, in relation to a river, stream or...

Definitions

  1. Lower down, in relation to a river, stream or...

Ancestry of “downstream”, step by step

StepLanguageWordMeaning
1Englishdown-decrease; lower position or direction, literally...
2Middle Englishdown-—
3Old Englishdūne-down-
4Old Englishdūnehill; down, downward
5Old Englishadūne—
6Old Englishofdūneoff the hill; down
7Old Englishdūnhill, down; hill, dune; hill, mountain
8Proto-Germanic*dūnā—
9Proto-Celticdūnomstronghold, rampart
10Proto-Indo-Europeandʰewh₂-smoke; mist, haze
Every word from Proto-Indo-European dʰewh₂- →