μαγδωλοφύλαξ
From LSJ
μή μοι θεοὺς καλοῦσα βουλεύου κακῶς· πειθαρχία γάρ ἐστι τῆς εὐπραξίας μήτηρ, γυνὴ Σωτῆρος· ὦδ᾽ ἔχει λόγος → When you invoke the gods, do not be ill-advised. For Obedience is the mother of Success, wife of Salvation—as the saying goes.
English (LSJ)
[ῠ], ᾰκος, ὁ,
A guard of the watch-tower, PFay.108.13 (ii A. D.), PTeb.353.9 (ii A. D.), PLond.3.844.5 (ii A. D.).