ē-vasto, āvi, ātum, 1, v. a.,
to lay utterly waste , to devastate (a favorite word of Livy; elsewh. very rare): omnia, Liv. 10, 15; 5, 5; 8, 37; 28, 44; 32, 33, 14 Drak. et saep.; Vop. Aurel. 15; Sil. 15, 185.
ē-vāstō āvī, ātus, āre, to lay utterly waste, devastate: urbīs, L.: culta evastata sunt bello, L. ...
An Elementary Latin Dictionary