mnemosynon
From LSJ
Latin > English (Lewis & Short)
mnēmŏsȳnon: i, n., = μνημοσυνον,>
I a memorial: mnemosynon mei sodalis, Cat. 12, 13.
Latin > French (Gaffiot 2016)
mnēmŏsўnon (-num), ī, n. (μνημόσυνον), souvenir, ce qui évoque qqn : Catul. 12, 13.