βορβόρῳ δ' ὕδωρ λαμπρὸν μιαίνων οὔποθ' εὑρήσεις ποτόν → once limpid waters are stained with mud, you'll never find a drink
subs.
P. and V. φυλακή, ἡ.
Keep under surveillance: P. ἐν φυλακῇ ἔχειν.
