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
To rush down; rush downward; A rushing down
Ancestry of “downrush”, step by step
downrush traces back through two separate lines of ancestry.