I.num. ord. adj. [septem].
I. In gen., the seventh: “mense septumo,” Plaut. Am. 1, 2, 20: “septimas esse aedes a portā,” id. Ps. 2, 2, 3; cf.: “isque Septimus a prisci numeratur origine Beli,” Ov. M. 4, 213: “Roma condita est secundo anno Olympiadis septimae,” Cic. Rep. 2, 10, 18: “septimo die,” id. Tusc. 3, 26, 63: “sententia septima decima,” id. Clu. 27, 74; “also n one word, septimodecimo die,” Vitr. 9, 1 (4) fin. et saep.—Hence, advv.
1. Die septimi, on the seventh day (like die crastini, noni, quinti, etc.): “ibi mercatum dixit esse die septimi (septimei, Ritschl),” Plaut. Pers. 2, 3, 8; cf. Gell. 10, 24, 1 sqq.; Macr. S. 1, 4.—*
3. septĭmō . *
a. For the seventh time: C. Marium creatum septimo consulem, Quadrig. ap. Gell. 10, 1, 3.—
b. Seven times (post-class.): lavit ad diem septimo aestate vel sexto: hieme secundo vel tertio, Treb. Gall. 17; Vopisc. Flor. 4.—
II. In partic.: septimus casus, the instrumental, adverbial, etc. case (distinguished from the casus sextus, with prepositions), Quint. 1, 4, 26; Diom. p. 302 P.; Prisc. p. 673 ib.; Cledon. p. 1863 ib.
