triophthalmus
From LSJ
Περὶ τοῦ ἐπέκεινα τοῦ νοῦ κατὰ μὲν νόησιν πολλὰ λέγεται, θεωρεῖται δὲ ἀνοησίᾳ κρείττονι νοήσεως → On the subject of that which is beyond intellect, many statements are made on the basis of intellection, but it may be immediately cognised only by means of a non-intellection superior to intellection
Latin > French (Gaffiot 2016)
trĭophthalmus (-ŏs), ī, m. (τριόφθαλμος), sorte de pierre précieuse : Plin. 37, 186.