συγκαταζεύγνυμι
From LSJ
θοῦ, Κύριε, φυλακὴν τῷ στόµατί µου καὶ θύραν περιοχῆς περὶ τὰ χείλη µου → set a guard over my mouth, Lord; keep watch over the door of my lips | set a guard, O Lord, over my mouth; keep watch over the door of my lips (Psalm 140:3, Septuagint version)
English (LSJ)
A yoke together, join in marriage, τινά τινι Plu.Cam.2, cf. Sor.1.34:—Pass., ἄτῃ συγκατέζευκται κακῇ has become a yoke-fellow with misery, S.Aj.123; cf. συγκεράννυμι.