overwash

over- +‎ wash

overwash (third-person singular simple present overwashes, present participle overwashing, simple past and past participle overwashed)

1. (transitive) To wash too much or too often.
   • 2007 January 15, Janet Maslin, “The Vampire Wears Flannel, and He Cheats on His Tan”, in New York Times‎:

     Even worse than being caught in daylight is the mortification, by Mr. Moore’s nocturnal lights, of wearing black clothes so overwashed that they start to look gray.

2. (intransitive) To become flooded.
   • 1998, Lee Gutkind, A view from the divide, page 104:

     A man on one of the beach islands sends his wife and kids to the shelter, remains behind with their dog to finish boarding up the house, then the only road off the island overwashes, and he's cut off.

overwash (countable and uncountable, plural overwashes)

1. The flow of water and sediment over the crest of a beach that does not directly return to the water body.

• wash over, washover