ἀκταίνω
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)
= foreg., ἀκταίνειν στάσιν (γρ. βάσιν)
A keep my stature erect, A.Eu.36: metaph., ἀ. μένος Trag.Adesp.147; cf. ὑποακταίνομαι.