denominatio
From LSJ
ἐν ταῖς ἀνάγκαις χρημάτων κρείττων φίλος → it is better in times of need to have friends rather than money, a friend in need is a friend indeed (Menander, Sententiae monostichoi 143)
Latin > English (Lewis & Short)
dēnōmĭnātĭo: ōnis, f. denomino, rhetor. t. t.,
I the substitution of the name of an object for that of another to which it has some relation, as the name of the cause for that of the effect, of the property for that of the substance, etc.; a metonymy, Auct. Her. 4, 32; cf. Quint. 8, 6, 23 sq., and immutatio.
Latin > French (Gaffiot 2016)
dēnōmĭnātĭō, ōnis, f. (denomino), désignation : Cod. Th. 6, 4, 13, 2 || métonymie [rhét.] : Her. 4, 43 ; Quint. 8, 6, 23.