infidigraphus

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

infīdigrăphus, a, um, adj. [vox hybr., infidus- γράφω],

writing faithlessly (eccl. Lat.): infidelis Deo nec infidigraphus nec ingratus, (Hilar.) Anon. in Job, 1, 124.