nĭtĭdĭuscŭlus

a, um
I. adj. dim. [nitidus], somewhat more shining (Plautin.): caput, Plaut. Ps. 1, 2, 84.—Hence, adv.: nĭtĭ-dĭuscŭlē, a little more finely, sprucely: ut curer, Plaut. Ps. 3, 1, 8.
Lewis & Short
A Latin Dictionary, 1879
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