ἀδήν
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)
(ἁδ- Hdn.Gr.2.922), ένος, ἡ,
A gland, Hp.Art.11; later, ὁ, Gal. UP3.9, al., Alex.Aphr.Pr.2.12, Hdn.Gr. l.c. ([ngnull]guen, cf. Lat. inguen.)