excommunico

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

ex-commūnĭco, āvi, ātum, 1, v. a. (lit., to put out of the community; hence, in eccl. Lat.),

to lay under the ban of the Church , to excommunicate , Hier. adv. Ruf. 2, 18: aliquem excommunicatum habere, Hilar. Op. Hist. Fragm. 11, 4.