brooch
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
V. πόρπη, ή, περόνη, ἡ, περονίς, ἡ.
cloak fastened by a brooch: V. πορπάματα, τά.