ἀποτειχιστέον
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 one must wall off: metaph., διαβολήν Them.Or.22.278a.
Greek (Liddell-Scott)
ἀποτειχιστέον: ῥηματ. ἐπίθ., πρέπει τις διὰ τειχῶν νὰ ἀποκλείσῃ, ἀποχωρίσῃ, νὰ ἐμποδίσῃ, μεταφ., διαβολὴν Θεμίστ. 278Α.
Spanish (DGE)
hay que separar por un muro fig. αὐτήν (διαβολήν) Them.Or.22.278a.