excommunicatio
From LSJ
οὐκ ἔστι σιγᾶν αἰσχρόν, ἀλλ' εἰκῆ λαλεῖν → keeping silence is not shameful; speaking at random is (Menander)
Latin > English (Lewis & Short)
excommūnĭcātĭo: ōnis, f. excommunico,
I ban of the Church, excommunication, Aug. de Fide, 3 et saep.
Latin > French (Gaffiot 2016)
excommūnĭcātĭō, ōnis, f., excommunication : Aug. Fide op. 2, 3.