ὀνοστάσιον
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)
[ᾰ], τό, (ὄνος, στάσις)
A ass-stall, Gloss.
German (Pape)
[Seite 350] τό, Eselstall, VLL.; auch ὀνόστασις wird angeführt.