καιροφυλακτέω
From LSJ
οὗτος ὁ υἱός μου νεκρὸς ἦν καὶ ἀνέζησεν, ἦν ἀπολωλὼς καὶ εὑρέθη → This son of mine was dead and has come back to life. He was lost and he's been found.
German (Pape)
[Seite 1297] für -φυλακέω, Sp.; auch bei Arist. v. l.; vgl. Lob. zu Phryn. 574.