Εὐτέρπη

English (LSJ)

ἡ,

   A the Well-pleasing, name of a Muse, Hes.Th.77, etc.: Pythag. name for eight, Theol. Ar.55.

Greek (Liddell-Scott)

Εὐτέρπη: ἡ, ἡ τέρπουσα λίαν, μία ἐκ τῶν ἐννέα Μουσῶν, Ἡσ. Θ. 77.