conticium

contĭcĭnĭum, ii, n. [conticesco, the time when all becomes still; cf. Varr. L. L. 6, § 7, and 7, § 79 Müll.; also contĭcĭum, Macr. S. 1, 3, 12], the first part of the night, the evening, Plaut. As. 3, 3, 95 (quoted in Varr. l. l.); cf. Serv. ad Verg. A. 2, 268.