εἴσπτωσις
From LSJ
αἰθὴρ δ᾽ ἐλαφραῖς πτερύγων ῥιπαῖς ὑποσυρίζει (Aeschylus, Prometheus Bound 126) → The bright air fanned | whistles and shrills with rapid beat of wings.
Spanish (DGE)
-εως, ἡ
caída, ruina, destrucción τὸ ποτήριον εἰσπτώσεως l. de Eus.M.23.317C a LXX Is.51.17.