κολύμβησις
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)
εως, ἡ, pearl-A fishery, Peripl.M.Rubr.35 (pl.), 58, Sch.Ptol.Geog.6.7.11.
German (Pape)
[Seite 1476] ἡ, das Untertauchen, Schwimmen, Sp.
Greek (Liddell-Scott)
κολύμβησις: -εως, ἡ, κολύμβημα, Ἀρρ. Περίπλ. 175, Πτολ.