prae-dēlasso, āre, v. a.,
to weary out or weaken beforehand : quae (moles) incursus praedelassat aquarum, Ov. M. 11, 731.
prae-dēlassō —, —, āre, to weary out beforehand: incursūs quae (moles) praedelassat aquarum, O. ...
An Elementary Latin Dictionary