βαρβαροκτόνος
From LSJ
ἀσκεῖν περὶ τὰ νοσήματα δύο, ὠφελεῖν ἢ μὴ βλάπτειν → strive, with regard to diseases, for two things — to do good, or to do no harm | as to diseases, make a habit of two things — to help, or at least, to do no harm
English (LSJ)
ον,
A slaughtering barbarians, Thom.Mag.p.141 R.
Greek (Liddell-Scott)
βαρβᾰροκτόνος: -ον, ὁ ἀποκτείνων βαρβάρους, Θωμ. Μ. σ. 141.