μητροπρεπής
From LSJ
πολλὰ μεταξὺ πέλει κύλικος καὶ χείλεος ἄκρου → there is many a slip twixt cup and lip, there's many a slip twixt cup and lip, there's many a slip 'twixt cup and lip, there's many a slip twixt the cup and the lip, there's many a slip 'twixt the cup and the lip
German (Pape)
[Seite 180] ές, der Mutter anständig, geziemend (?).
Greek (Liddell-Scott)
μητροπρεπής: -ές, ὁ ἁρμόζων εἰς μητέρα, ἐν τῷ ἐπιρρ. -πῶς, Ἰω. Δαμασκ. ΙΙΙ, 689Α.