Πολύμνια
From LSJ
English (LSJ)
ἡ, contr. for Πολυύμνια, Polymnia or
A Polyhymnia, she of the many hymns, one of the Muses, Hes.Th.78; later, the Muse of Lyric poetry, Sch.A.R.3.1; of learning (cf. Πολυμάθεια), Plu.2.746d; Πολυμνίς, ίδος, Kretschmer Griech.Vaseninschr.p.186.