ὀκτώμηνος
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)
ον, A = ὀκτάμηνος, EM767.34 :—also ὀκτω-μηνιαῖος, α, ον, Ph.1.29, Sch.Arat.455 ; born in the eighth month, βρέφη Alex.Aphr. Pr.2.47.
Greek (Liddell-Scott)
ὀκτώμηνος: -ον, = ὀκτάμηνος, Ἐτυμολ. Μέγ. 767. 34· ― ὀκτωμηνιαῖος, α, ον, Λοβ. Φρύν. 549.