delasso
From LSJ
dē-lasso: āvi, ātum, 1,
I v. a., to weary or tire out (rare and poet. for defetigare): labore delassatus, Plaut. Asin. 5, 2, 22: loquacem Fabium, Hor. S. 1, 1, 14.—Poet., with a thing as obj.: delasset omnes fabulas poetarum, Mart. 10, 5 fin.>