exordium Copy link Outline 1. exordium (usu. term)2. exorsus, ūs, (v. rare)3. prooemium (προοίμιον4. princĭpium • exordium: 1. exordium (usu. term): Cic.: Quint.: Plin. 2. exorsus, ūs, (v. rare): Cic. Manil. 4, fin. (only). 3. prooemium (προοίμιον: prop. a prelude, q. v.): a long and far-fetched e., longum et alte petitum pr., Cic. Clu. 21, 58: freq. in Cic. of the introduction to a treatise, cf. Cic. Att. 16, 6, fin.: Quint. 4. princĭpium: Quint.