ἐξεῖναι

From LSJ

αἰθὴρ δ᾽ ἐλαφραῖς πτερύγων ῥιπαῖς ὑποσυρίζει (Aeschylus, Prometheus Bound 126) → The bright air fanned | whistles and shrills with rapid beat of wings.

Source

French (Bailly abrégé)

inf. prés. de ἔξεστι, v. ἔξειμι.

Russian (Dvoretsky)

ἐξεῖναι: inf. к ἔξειμι I.