incesantemente
From LSJ
βορβόρῳ δ' ὕδωρ λαμπρὸν μιαίνων οὔποθ' εὑρήσεις ποτόν → once limpid waters are stained with mud, you'll never find a drink
Spanish > Greek
διηνεκής, ἀκατάληκτος, ἀζηχής, ἄληκτος, ἀκατάπαυστος, ἀδιάπαυστος, ἀπαυστί, ἀνακαταλήκτως, ἀσπερχές, ἀπείριτος, ἀσυγχώρητος, ἀδιάλειπτος, ἀνέλλειπτος, ἀσίγητος