ἐξακεστήριος
From LSJ
Ἀναξαγόρας δύο ἔλεγε διδασκαλίας εἶναι θανάτου, τόν τε πρὸ τοῦ γενέσθαι χρόνον καὶ τὸν ὕπνον → Anaxagoras used to say that we have two teachers for death: the time before we were born and sleep | Anaxagoras said that there are two rehearsals for death: the time before being born and sleep
English (LSJ)
α, ον,
A remedying evil, Ζεύς Lex Solonis ap.Poll.8.142; epith. of Hera, Hsch.; θεοί D.H.10.2. 2 expiatory, θυσία Id.5.54.