Lewis & Short

ad-disco, dĭdĭci, no sup., 3, v. a.

  1. I. To learn in addition to, to learn further: Quid? qui etiam addiscunt aliquid? ut Solonem versibus gloriantem videmus, qui se cotidie aliquid addiscentem senem fieri dicit, Cic. de Sen. 8, 26; so id. Fin. 5, 29; id. de Or. 3, 36; Ov. M. 3, 593 al. (cf. addocere, Hor. Ep. 1, 5, 18).
  2. II. In gen., to learn, to be informed, to hear: quos cum venire rex addidicisset, in fugam vertitur, Just. 2, 3, 13.