ἐξαγγελία
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
English (LSJ)
ἡ,
A secret information sent out to the enemy, X.Cyr.2.4.23(pl.). II expression, of style, Longin.Rh.p.186H.