ἐπὶ πολλῆς ἡσυχίας καὶ ἠρεμίας ὑμῶν → leaving you entirely at rest
αἰθεροβάμων: [ᾱμ], ονος, ὁ, ἡ, ὁ περιπατῶν ἐν τῷ αἰθέρι, Εὐστ. Πονημ. 183, 21, κτλ.