elocutio
From LSJ
πωγωνοτροφία φιλόσοφoν οὐ ποιεῖ → a long beard does not make the philosopher
Latin > English (Lewis & Short)
ēlŏcūtĭo: ōnis, f. id..
I Prop., a speaking out, utterance, expression: pluralis, Dig. 22, 5, 12.—
II Transf., in rhet. lang., oratorical delivery, elocution; the Gr. φράσις> (cf.: locutio, dictio, stilus, etc.), Cic. Inv. 1, 7, 9; Quint. prooem. § 22; 8 prooem. § 13; 8, 1, 1 et saep.