mortifere

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

Latin > French (Gaffiot 2016)

mortĭfĕrē¹⁶ (mortifer), mortellement, de manière à causer la mort : Plin. Min. Ep. 3, 16, 3.