prīmŭlus

a, um
I. adj. dim. [primus], the first (ante-class.): primulo diluculo, Plaut. Am. 2, 2, 105.—Adv.: prīmŭlum, at first, first (ante-class.), Plaut. Men. 5, 5, 18; 5, 9, 57; Ter. Ad. 3, 1, 2.
Lewis & Short
A Latin Dictionary, 1879
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