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From LSJ

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

Source

Russian > Greek

ἐκπλύνω, ὑποκλύζω, ἐγκλύζω, διαπλύνω, διηθέω, κλύζω