ἀναποδισμός
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)
ὁ,
A going back, εἰς μονάδα, opp. προποδισμὸς ἀπὸ μονάδος, Moderat. ap. Stob.1 Coroll.8; of the retrograde motion of planets, Vett.Val.226.1, Nicom.Ar.1.5; in pl., opp. προποδισμοί, Alex.Aphr.in Metaph.440.7; generally, reversal of planet's motion, Theo Sm.p.148H. II calling back, recall, LXX Wi.2.5.