Lewis Short
ēlŭvĭo (noun F) : id., older form of eluvies
* A washing away, overflowing, inundation: aquarum eluviones,Cic. Div. 1, 49, 111: eluviones et exustiones terrarum,Cic. Rep. 6, 21, 23; id. Off. 2, 5, 16.
Charlton T. Lewis, Charles Short, A Latin Dictionary