κήλων
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)
ωνος, ὁ, (κῆλον)
A swipe, swing-beam, for drawing water, IG 11(2).154A8 (Delos, iii B.C.), PLond.1.131r.303 (i A.D.), Hsch. II ὄνος κ. he-ass, Archil.97, cf. Eust.1597.28, Ph.2.307; stallion, Hsch., Suid., prob.in Plaut.Poen.1168: hence of Pan, Cratin.321.