ἀνακαλπάζω
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)
A trot, gallop (?), A.Fr.145 A, S.Fr.1007, Ar.Fr.48 D., Pl.Com.25 D.; prob. in Ar.Th.1174.