- sepal (n.)
[sepal 词源字典]
- "leaf of the calyx," 1821, from French sépal, from Modern Latin sepalum (H.J. de Necker, 1790), coined from Latin separatus "separate, distinct" (see separate (v.)) + petalum "petal" (see petal).[sepal etymology, sepal origin, 英语词源]