: to cover with or as if with a flood <I'm inundated by mail.>
Word Root of INUNDATE
The Latin word unda, meaning “wave,” gives us the root und. Words from the Latin unda have something to do with waves. To undulate is to move up and down like a wave. To inundate is to cover with a flood of waves. To surround, or encircle on all sides, is to enclose as if by waves. To abound is to be plentiful, like waves in the ocean.