μαχαιρομαχώ

From LSJ

χωρίον ἔνθα οὐ προσβατὸν θανάτῳ → a spot where it is not accessible to death, a place where was no point accessible by death, a place where death was forbidden to set foot

Source

Greek Monolingual

μαχαιρομαχῶ, -έω (Α)
μάχομαι με μαχαίρι.
[ΕΤΥΜΟΛ. < μαχαιρομάχος].