ἑκουσιασμός
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)
ὁ,
A free-will offering, ib.2 Es.7.16, Aq.Jd.5.2, etc.
German (Pape)
[Seite 770] ὁ, freiwillige Handlung, LXX.