prae-rŏgo, āvi, ātum, 1, v. a.
I To ask before another, to ask first : sententias, non more atque ordine, sed prout libuisset, praerogabat, Suet. Aug. 35.—
II To pay beforehand or in advance : pensionem, Dig. 19, 2, 19: expensas, Cod. Just. 10, 31, 20.— Hence, praerŏgātus , a, um, P. a., asked before (class.): cujus in honore non unius tribus pars, sed comitia tota comitiis fuerint praerogata, Cic. Planc. 20, 49 (al. praerogativa): lex, proposed previously , Cod. 16, 11, 1.