I.to watch or be awake in, at, over, or on account of any thing; to be watchful over or on account of; to be intent on, pay attention to, bestow pains upon.—With dat. (mostly poet.): “rei publicae,” Cic. Phil. 14, 7, 20: “publicis utilitatibus,” Plin. Pan. 66, 2: “custodiendis domibus,” Lact. 4, 17, 19: “nec capiat somnos invigiletque malis,” Ov. F. 4, 530: “mens invigilat curis,” Sil. 10, 331: “rati,” Val. Fl. 2, 374: “namque aliae victu (for victui) invigilant,” Verg. G. 4, 158: “venatu (for venatui),” id. A. 9, 605: “hereditati,” Dig. 29, 2, 25, § 8.—Absol., to be watchful: “invigilate, viri, tacito nam tempora gressu diffugiunt,” Col. 10, 151. —With pro: “invigiles igitur nostris pro casibus oro,” Ov. Tr. 1, 5, 43.—With inf.: “prohibere minas,” Val. Fl. 5, 257.—Hence, in-vĭgĭlātus , a, um, P. a., elaborated in night vigils, diligently composed: invigilata lucernis Carmina, Cinna ap. Isid. Orig. 6, 12.
in-vĭgĭlo , āvi, ātum, 1, v. n.,