αἰθεροβατέω
From LSJ
Οἱ βασιλεῖς τῇ ἐγκυκλοπαιδείᾳ, αὐτὴ τοῖς βασιλεῦσι (Salamanca inscription) → The kings for the university, and the university for the kings
English (LSJ)
A = αἰθερεμβατέω, of birds, Ph.1.506: metaph. of men, 2.242, al., cf. Ps.-Luc.Philopatr.25.