βορβόρῳ δ' ὕδωρ λαμπρὸν μιαίνων οὔποθ' εὑρήσεις ποτόν → once limpid waters are stained with mud, you'll never find a drink
dŭis: 1 verb., v. do init.— 2 Num., v. bis init.
duis, [arch.],1 c. bis : Cic. Or. 1532 v. do.