Lewis Short
(adverb) : post-hac
* After this time, hereafter, henceforth, in future (class.): aliam posthac invenito,Plaut. Men. 4, 3, 21; id. Am. 2, 2, 165; S. C. de Bacchan.; Ter. Eun. 5, 2, 59; id. Ad. 1, 2, 55; Cic. Cat. 4, 9 fin.; id. Fam. 7, 26 fin.: numquam posthac,Cat. 99, 16; opp. nunc,Ter. And. 3, 5, 5; opp. antea,Cic. Att. 7, 3, 7: vobis erit providendum, quā condicione posthac eos esse velitis,id. Cat. 3, 12, 28; Hor. S. 2, 3, 297; Juv. 7, 18; 8, 7.
Charlton T. Lewis, Charles Short, A Latin Dictionary