προτεύχω
From LSJ
βορβόρῳ δ' ὕδωρ λαμπρὸν μιαίνων οὔποθ' εὑρήσεις ποτόν → once limpid waters are stained with mud, you'll never find a drink
English (LSJ)
in pf. inf. Pass. προτετύχθαι,
A to have happened beforehand, to be past, τὰ μὲν π. ἐάσομεν Il.16.60, 18.112. II to be brought to light, πρὸ γάρ τ' ἀναφανδὰ τέτυκται A.R.4.84.