ἀγχιμαχία

From LSJ

θεωρεῖται δὲ ἀνοησίᾳ κρείττονι νοήσεως → it is grasped only by means of an ignorance superior to intellection, it may be immediately cognised only by means of a non-intellection superior to intellection

Source

Spanish (DGE)

-ας, ἡ lucha cuerpo a cuerpo, Anecd.Ludw.205.29.