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From LSJ

ὁ δ' εὖ ἔρδων θεοὺς ἐλπίδι κυδροτέρᾳ σαίνει κέαρ → but he who does well to the gods cheers his heart with a more glorious hope

Source

Russian > Greek

λεῖος, καλλίρροος, καλλίροος, εὔροος, ἐΰρροος, εὔρους