primulus
From LSJ
Latin > English (Lewis & Short)
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.
Latin > French (Gaffiot 2016)
prīmŭlus,¹⁵ a, um, dim. de primus : primulo diluculo Pl. Amph. 737, tout à fait à la pointe du jour, cf. Cas. 40.