Lewis & Short

* ignāvĭo, īre, v. a. [in-gnarus, like ignavus, ignotus, from the negative in and gnavus, gnotus], to render inactive, slothful, or dispirited, Att. ap. Non. 123, 13; id. ib. 126, 15 (Trag. Rel. p. 282 Rib.).