[1355] opero, āvī, ātum, āre, ins Werk setzen, bereiten, Cassiod. hist. eccl. 10, 33. Commodian. instr. 1, 30, 14. Chalcid. Tim. 238: Partiz. operātus, Tert. de praescr. haer. 29. Lact. 7, 27, 4.