παρεναλλάσσομαι
From LSJ
Βίων δύο ἔλεγε διδασκαλίας εἶναι θανάτου, τόν τε πρὸ τοῦ γενέσθαι χρόνον καὶ τὸν ὕπνον → Bion used to say that we have two teachers for death: the time before we were born and sleep | Bion said that there are two rehearsals for death: the time before being born and sleep
English (LSJ)
Pass., to be interchanged, Id.Phil.Hist.19.
Greek (Liddell-Scott)
παρεναλλάσσομαι: Παθ., ἐναλλάσσομαι, Γαλην. τ. 19, σελ. 245, 2.