optativus
From LSJ
Latin > English (Lewis & Short)
optātīvus: a, um, adj. id.,
I of or belonging to a wish, expressing a wish, optative (post-class.): modus optativus, the optative, Diom. p. 330 P.: adverbia, Mart. Cap. 3, § 310.
Latin > French (Gaffiot 2016)
optātīvus, a, um, qui exprime un souhait, optatif [en t. de gramm.] : Diom. 340, 4 ; Prisc. Gramm. 8, 42 || subst. m., l’optatif : Prisc. Gramm. 18, 124 ; Char. 226, 6.