Ingruo, ingruis, iogrui. pe. cor. ingruere. Vir. To inuade: to as saile with violence: to be imminent and at hand.Ingruente æstate. Col. Sommer being cuen nigh at hande.Ingruente fato.Liu.Death being nigh at hand.Ingruit frigus. Columella. Colde weather is come or nigh at hand.Horror ingruit armorum.Virg.They might heart the noise of harnes almost at them.Imber ferreus ingruit. Vir. A great showre is ready to fall.Ingruir metus. Plin. Aliam in partem terror ingens ingruerat.Liu.Greate feare came vpon.Ingruunt morbi gentibus vniuersis, Plin.Diseases fal vpon all nations.Ingruens periculum.Liu.A daunger neere at hande.Vis ingruit Quin.Violence is at hand.Vitibus ingruit vmbra. Virgil. The shadow came vppon the vines.In agrestes ingruerant morbi.Liu.Disenses came sodainely vpon busband men.Ingruentes solis radios sentit luna. Plin. Nostri contra ingruunt.Plaut.Out men on the other side assaile them with great force.
Lewis and Short: Latin dictionary
ingrŭo, ŭi, 3, v. n. [in-ruo, with an epenth. g from gruo, kindr. with krou/w], to rush or break into, to fall violently upon, assail, attack (syn. incumbo; differing from immineo and impendo, in that it denotes the actual doing of that which they merely threaten; not in Cic. or Cæs.). I.Lit.: hostes crebri cadunt; nostri contra ingruunt, Plaut. Am. 1, 1, 81: ingruit Aeneas Italis, Verg. A. 12, 628; cf.: ingruere hostes, id. ib. 11, 899: simul ingruunt saxa jaciunt, Tac. A. 1, 27: ingruentes accusatores, id. ib. 6, 38: ingruente in Italiam Hannibale, id. H. 3, 34.—II.Transf., of things: ferreus ingruit imber, Verg. A. 12, 284: umbra vitibus, id. G. 2, 410: nox, Tac. A. 4, 50: tela, id. ib. 1, 65: ingruere morbi in remiges coeperunt, Liv. 37, 23, 2: si bellum ingrueret, Verg. A. 8, 535; Tac. A. 1, 48: si nullus ingruat metus, Plin. 9, 30, 50, 95: si quid subitum ingruat, Tac. A. 4, 2: damnatio, id. ib. 4, 35.