mnemosynon

βορβόρῳ δ' ὕδωρ λαμπρὸν μιαίνων οὔποθ' εὑρήσεις ποτόν → once limpid waters are stained with mud, you'll never find a drink

Latin > English (Lewis & Short)

mnēmŏsȳnon: i, n., = μνημοσυνον,>
I a memorial: mnemosynon mei sodalis, Cat. 12, 13.