deluge (n.)

late 14c., from Old French deluge (12c.), earlier deluve, from Latin diluvium "flood, inundation," from diluere "wash away," from dis- "away" (see dis-) + -luere, combining form of lavere "to wash" (from PIE root *leue- "to wash").

deluge (v.)

1590s; see deluge (n.). Related: Deluged; deluging.