ἑτέρως ἠδύνατο βέλτιον ἢ ὡς νῦν ἔχει κατεσκευάσθαι → otherwise they could have been constructed better than they are now (Galen, On the use of parts of the body 4.143.1 Kühn)
Euterpe: ēs, f., = Εὐτέρπη,
I the muse of music, Hor. C. 1, 1, 33; Aus. Idyll. 20, 4.
Euterpē,¹⁶ ēs, f. (Εὐτέρπη), Euterpe [muse de la musique] : Hor. O. 1, 1, 33.