Where does “downrush” come from?

downrush (English) comes from English rush, from Middle English ruschen, from Old English hrysċan, from Proto-Germanic hurskijaną, from Proto-Germanic hurskaz, from Proto-Indo-European ḱers- — to run.

downrush (English): To rush down; rush downward; A rushing down

Definitions

  1. To rush down; rush downward; A rushing down

Ancestry of “downrush”, step by step

downrush traces back through two separate lines of ancestry.

via English rush

StepLanguageWordMeaning
1EnglishrushAny of several stiff plants of the genus...
2Middle Englishruschen
3Old Englishhrysċanto jolt, startle
4Proto-Germanichurskijanąto be quick; rush; drive
5Proto-Germanichurskazfast; quick; lively
6Proto-Indo-Europeanḱers-to 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 ḱers-