by 1831, from French calmatif; see calm (adj.) + -ative. A hybrid word; purists prefer sedative. "The Latinic suffix is here defensible on the ground of It. and Sp. calmar, F. calmer ...." [OED].
雙語例句
1. Its extract was of expansive application prospect used as calmative, anti - inflammatory , antidepressant and antineoplastic.