Where does “downflow” come from?

downflow (English) comes from English flow, from Middle English flowen, from Old English flōwan, from Proto-West Germanic *flōan, from Proto-Germanic flōaną, from Proto-Indo-European plōw-, from Proto-Indo-European plew- — to fly, flow, run.

downflow (English): A downward flow

Definitions

  1. A downward flow

Ancestry of “downflow”, step by step

downflow traces back through two separate lines of ancestry.

via English flow

StepLanguageWordMeaning
1EnglishflowA movement in people or things with a particular...
2Middle EnglishflowenTo flow, stream, or issue; to move; To become...
3Old Englishflōwanto flow
4Proto-West Germanic*flōanto flow
5Proto-Germanicflōanąto flow
6Proto-Indo-Europeanplōw-to flow, swim; to pour, wash
7Proto-Indo-Europeanplew-to fly, flow, run

via English Down

StepLanguageWordMeaning
1EnglishDownusually known as County Down
2Middle Englishdoundown
3Old Englishdūnhill, down; hill, dune; hill, mountain
4Proto-Germanic*dūnā
5Proto-Celticdūnomstronghold, rampart
6Proto-Indo-Europeandʰewh₂-smoke; mist, haze
Every word from Proto-Indo-European plew-Every word from Proto-Indo-European plōw-Every word from Proto-Germanic flōaną