ἐπιδιδυμίς
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)
-ίδος, ἡ, (δίδυμος ΙΙ) in Anatomy, epididymis, Gal.4.565.
German (Pape)
[Seite 938] ίδος, ἡ, die Haut, die die Hoden (δίδυμοι) umschließt, Medic.