άδιανόητον: adianoeton; indiscernible; indiscernível

non-beings, seen purely in themselves, έστιν άδιανόητόν τε καί άρρητον και άφθεγκτον και άλογον (c9f.), are altogether άδιανόητόν, “indiscernible,” they cannot at all be conceived or intended as something. [GA19  :422]