idioma
From LSJ
οὕτω γὰρ συμβαίνει ἅμα καὶ ἡ τῶνδε εὐγένεια κοσμουμένη → for by so doing we shall also celebrate therewith the noble birth of these heroes
Latin > English (Lewis & Short)
ĭdĭōma: ātis, n., = ἰδίωμα,
I a peculiarity in language, idiom, Charis. p. 255 P.
Latin > French (Gaffiot 2016)
ĭdĭōma, ătis, n. (ἰδίωμα), idiotisme [gramm.] : Char. 291, 2.