παρανόμημα
From LSJ
αἰθὴρ δ᾽ ἐλαφραῖς πτερύγων ῥιπαῖς ὑποσυρίζει (Aeschylus, Prometheus Bound 126) → The bright air fanned | whistles and shrills with rapid beat of wings.
English (LSJ)
ατος, τό,
A unlawful act, transgression, Th.7.18, Chrysipp.Stoic.3.71, Plb.23.10.2 (pl.), Plu.Cat.Mi.47 (pl.), Porph.Abst.1.2 (pl.), POxy.1119.10 (iii A.D.).