βαρβαροκτόνος
From LSJ
καὶ οὐκ ἐκδικᾶταί σου ἡ χείρ, καὶ οὐ μηνιεῖς τοῖς υἱοῖς τοῦ λαοῦ σου καὶ ἀγαπήσεις τὸν πλησίον σου ὡς σεαυτόν· ἐγώ εἰμι κύριος. Τὸν νόμον μου φυλάξεσθε → Let your hand not seek vengeance; do not show wrath toward the children of your people; love your neighbor as yourself. I am the Lord! Keep my Torah! (Leviticus 19:18f. LXX)
English (LSJ)
ον, A slaughtering barbarians, Thom.Mag.p.141 R.
Greek (Liddell-Scott)
βαρβᾰροκτόνος: -ον, ὁ ἀποκτείνων βαρβάρους, Θωμ. Μ. σ. 141.