triangulum
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
Latin > French (Gaffiot 2016)
triangŭlum, ī, n., triangle : Cic. Nat. 2, 125 ; Plin. 27, 61 ; Quint. 1, 10, 41 || -gŭlus, m., Grom. 101, 3.