I.a., to come between, come upon, to come in during, to intervene, interrupt (class.; syn. intercedo).
I. Lit., constr. with dat., rarely with acc.
A. Of persons: “sponsae pater intervenit,” Ter. And. 4, 3, 17: “quin malo abscedas: ne interveneris, quaeso, dum resipiscit,” Plaut. Mil. 4, 8, 23: “verens ne molesti vobis interveniremus,” Cic. de Or. 2, 3: “casu Germani equites interveniunt,” Caes. B. G. 6, 37: “orationi,” Liv. 1, 48: “Statius intervenit nonnullorum querelis,” Cic. Q. Fr. 1, 2, 1.— With pro: “pro sociis,” Flor. 1, 13, 6. — With ne: “ne quid perperam fieret,” Suet. Tib. 33. —
B. Of things.
1. To come, be, or lie between: “medius paries intervenit,” Dig. 33, 3, 4: “interveniente Ascanio lacu,” Plin. 5, 32, 43, § 148: “interveniente flumine,” id. 5, 1, 1, § 13; 4, 21, 35, § 115.—
2. To interfere with, interrupt, put a stop to.
(α).
With dat.: “nox proelio intervenit,” Liv. 23, 18: “continuationi sermonis,” Quint. 9, 3, 23: “verboque intervenit omni plangor,” Ov. M. 11, 708; so, of an oath in conversation: quoties lascivum intervenit illud, etc., Juv. 6, 194.—
II. Transf.
A. To take place meanwhile or among other things, to happen, occur: “nulla mihi res posthac potest jam intervenire tanta, quae, etc.,” Ter. Heaut. 4, 3, 1: “quae inter vos intervenerint, etc.,” id. Hec. 3, 2, 16: “Epicurus exiguam dicit fortunam intervenire sapienti,” Cic. Fin. 1, 19: “casus mirificus quidam intervenit,” has taken place, id. Fam. 7, 5, 2: “interveniunt motu stellarum grandines, imbres,” Plin. 18, 25, 57, § 208: “intervenit his cogitationibus avitum malum, regni cupido,” Liv. 1, 6.—
B. To stand in the way of, to oppose, hinder, prevent, disturb: “Sabinum bellum coeptis intervenit,” Liv. 1, 36: “deliberationi metum pro republica intervenisse,” id. 2, 24: “vilicum intervenientem flagellāsset,” Suet. Claud. 38: “quis vestro Deus intervenit amori?” Calp. Ecl. 3, 23.—
C. Leg. t. t.
1. To interpose, become surety, Dig. 15, 1, 3, § 5; 50, 1, 17, § 15 al.—
2. To conduct a suit in another's name, Gai. Inst. 4, 87; cf. 4, 86 init.: “pro debitore,” id. ib. 4, 182.—
D. To interfere, intermeddle, exercise one's authority: “neque senatu interveniente,” Suet. Caes. 30: “praetor interveniet,” Dig. 4, 3, 23. — Pass. impers.: “si interventum est casu,” Cic. Top. 20: “ubi de improviso est interventum mulieri,” Ter. Heaut. 2, 3, 40.
