ortus

1.

ortus, a, um, Part. and P. a., from orior, q. v. fin. B.

2.

ortus, ūs, m. [orior].

I.

A rising of the heavenly bodies (opp. occasus; class.): solis et lunae reliquorumque siderum ortus, obitus motusque cognoscere, Cic. Div. 1, 56, 128:

primi sub lumina solis et ortus,

Verg. A. 6, 255:

(sol) ab ortu ad occasum commeans,

from east to west, Cic. N. D. 2, 19, 49: solis, sunrise, i. e. the orient, the east, id. Cat. 3, 8:

tum bis ad occasum, bis se convertit ad ortus,

Ov. M. 14, 386:

nitido ab ortu,

id. ib. 2, 112:

signorum,

Verg. E. 9, 46:

ortus lucis,

Vulg. Sap. 16, 28.—

II.

A rise, beginning, origin (cf. origo):

tribuniciae potestatis,

Cic. Leg. 3, 8, 19:

juris,

id. ib. 1, 6, 20:

Favonii,

Plin. 17, 9, 8, § 57:

materno ortu,

Ov. M. 13, 148:

ab Elide ducimus ortum,

we are sprung, derive our origin, id. ib. 5, 494:

ortus nascentium,

the birth, Cic. Div. 2, 43, 91; id. Tusc. 1, 38, 91:

Cato ortu Tusculanus,

by birth, id. Leg. 2, 2, 5.—Of a river, the source:

donec venias ad fluminis ortus,

Ov. M. 11, 139.—Of plants, the springing up, growth, Lucr. 5, 211.