ἄκρης
From LSJ
αἰθὴρ δ᾽ ἐλαφραῖς πτερύγων ῥιπαῖς ὑποσυρίζει (Aeschylus, Prometheus Bound 126) → The bright air fanned | whistles and shrills with rapid beat of wings.
Greek (Liddell-Scott)
ἄκρης: πόλιος, «διαλελυμένως, τῆς ἀκροπόλεως», Ἡσύχ.
αἰθὴρ δ᾽ ἐλαφραῖς πτερύγων ῥιπαῖς ὑποσυρίζει (Aeschylus, Prometheus Bound 126) → The bright air fanned | whistles and shrills with rapid beat of wings.
ἄκρης: πόλιος, «διαλελυμένως, τῆς ἀκροπόλεως», Ἡσύχ.