dē-lasso, āvi, ātum, 1,
v. a., to weary or tire out (rare and poet. for defetigare): labore delassatus, Plaut. As. 5, 2, 22: loquacem Fabium, Hor. S. 1, 1, 14.—Poet., with a thing as obj.: delasset omnes fabulas poetarum, Mart. 10, 5 fin.
dē-lassō —, —, āre, to wear out, tire: Fabium, H. ...
An Elementary Latin Dictionary