εὐρυθμία
εὐρυθμ-ία, ἡ,
A). rhythmical order or movement, κατὰ ῥυθμὸν εὐρυθμίαν παραδιδόναι R. 522a , cf. Prt. 326b ; αἱ περὶ τὴν λέξιν εὐ. the measured cadences of language, ; 5.27 ἡ κυκλικὴ εὐ. τῶν περιόδων Pomp. 6.10 .
2). harmony between the orator and his hearers, . 2.45e