ἀκαχμένος
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)
η, ον, Epic part. (cf. ἀκή A),
A sharp-edged, ἀ. ὀξέϊ χαλκῷ Il.15.482, Od.1.99, al.; πέλεκυν . . ἀμφοτέρωθεν ἀ. 5.235; φάσγανον 22.80. II armed, c. dat., γένος σκυλάκων κυνόδουσιν ἀ. Opp.C. 1.476, cf. 3.252.