неуклюжий

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

τραχύς, τρηχύς, ἐπαρίστερος, ἀδέξιος, φορτικός