Early 19th century. From classical Latin latrōcinium robbery with violence, band of robbers, in post-classical Latin also used figuratively with reference to the council of Ephesus.
Definition of Latrocinium in US English:
Latrocinium
nounlatrə(ʊ)ˈsɪnɪəm
historical
= Robber Council.
Origin
Early 19th century. From classical Latin latrōcinium robbery with violence, band of robbers, in post-classical Latin also used figuratively with reference to the council of Ephesus.