διακυβιστάω
From LSJ
ἀλώπηξ, αἰετοῦ ἅ τ' ἀναπιτναμένα ῥόμβον ἴσχει → a fox, which, by spreading itself out, wards off the eagle's swoop
English (LSJ)
A throw head over heels, Suid.
Spanish (DGE)
lanzarse a través de, precipitarse por τὸν ἀέρα Gr.Nyss.Ep.20.18.