Lewis Short
(adjective) : mŏdernus, a, um, from modo, just now; like hodiernus from hodie
* Modern (post-class.); as subst.: mŏderna, ōrum, n., things or institutions of the present: antiquorum diligentissimus imitator, modernorum nobilissimus institutor,Cassiod. Var. 4, 51.
Charlton T. Lewis, Charles Short, A Latin Dictionary