Mnemosyne
From LSJ
Latin > English (Lewis & Short)
Mnēmŏsynē: ēs, f., = Μνημοσύνη (remembrance).
I The mother of the Muses, Ov. M. 6, 114; Cic. N. D. 3, 31, 54; Phaedr. 3 prol. 18: natae Mnemosynes, the Muses, Aus. Ep. 4, 64.—
II In <number opt="n">plur.</number>: Mnēmŏ-synae, ārum, f., the Muses, Aus. Idyll. 11, 30.