- calmative (adj.)
[calmative 词源字典]
- 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].[calmative etymology, calmative origin, 英语词源]