Lewis Short
(adjective) : infĭcĭens, entis, 2. in-facio
* That does nothing, inactive (ante-class.): homo,Varr. L. L. 6, § 78 Müll.: apes (with inertes),id. R. R. 3, 16, 8.
Charlton T. Lewis, Charles Short, A Latin Dictionary
Lewis Short
infĭcĭens, entis, Part., from inficio.
Charlton T. Lewis, Charles Short, A Latin Dictionary