μουσομήτωρ
From LSJ
Ὀργῆς χάριν τὰ κρυπτὰ μὴ ἐκφάνῃς φίλου → Arcana amici ne per iram prodito → Geheimnisse des Freunds verrate nicht im Zorn
English (LSJ)
ορος, ἡ,
A the mother of Musesand all arts, epith. of Memory, Id.Pr.461.
German (Pape)
[Seite 211] ορος, Museumurter, d. i. Musenkünste hervorbringend, μνήμην θ' ἁπάντων μουσομήτορ' ἐργάτιν, Aesch. Prom. 459.