involuntarius

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

in-vŏluntārĭus, a, um, adj.,

involuntary (post-class.): emissio urinae, Cael. Aur. Acut. 2, 3, 18; 2, 5, 24 sq.— Adv.: invŏ-luntārĭē , involuntarily , Boëth. Arist. Top. 4, 2.