Lewis Short
(adverb) : mundŭlus, a, um
* Adj. dim. [1. mundus], cleanly, neat, trim, nice, spruce (anteclass.): amasii,Plaut. Truc. 3, 1, 13.— Hence, : mundŭlē, neatly, trimly, nicely (post-class.): qui ubi ad Dircaeum fontem adveniunt, mundule nitidantur jugulos quadripedantum, Att. ap. Non. 144, 17 (Trag. Rel. v. 602 Rib.): mundule amicta,App. M. 2, p. 117, 33.
Charlton T. Lewis, Charles Short, A Latin Dictionary