μαχήσομαι

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

Porphyry, Sententiae, 25

French (Bailly abrégé)

f. poét. de μάχομαι.

Russian (Dvoretsky)

μᾰχήσομαι: эп. fut. к μάχομαι.