δυσλόφως
From LSJ
αἰθὴρ δ᾽ ἐλαφραῖς πτερύγων ῥιπαῖς ὑποσυρίζει (Aeschylus, Prometheus Bound 126) → The bright air fanned | whistles and shrills with rapid beat of wings.
Russian (Dvoretsky)
δυσλόφως: с трудом, тяжело, мучительно (φέρειν κακά Eur.).