λαιψηρά

From LSJ

χρόνῳ μὲν ἀγρεῖ Πριάμου πόλιν ἅδε κέλευθος → in time this expedition will capture the city of Priam

Source

Russian (Dvoretsky)

λαιψηρά: adv. быстро, легко (πηδᾶν Eur.).