ἐπὶ πολλῆς ἡσυχίας καὶ ἠρεμίας ὑμῶν → leaving you entirely at rest
Κέως, -ω, ἡ.
Of Ceos, adj.: Κεῖος.
Ceos: v. Cea.
Cēos, ī, f. Cic. Att. 5, 12, 1, c. Cea.