ineptitudo

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

ĭneptĭtūdo, ĭnis, f. [ineptus], for ineptia,

absurdity : homo ineptitudinis cumulatus, Caecil. ap. Non. 128, 15 (Com. Fragm. v. 61 Rib.).