Word Study
Coreopsis
CIDE DICTIONARY
Coreopsis, prop. n. [NL., fr. Gr. ko`ris bug + 'o`psis appearance.].
A genus of herbaceous composite plants, having the achenes two-horned and remotely resembling some insect; tickseed. Coreopsis tinctoria , of the Western plains, the commonest plant of the genus, has been used in dyeing. [1913 Webster]
OXFORD DICTIONARY
Coreopsis, n. any composite plant of the genus Coreopsis, having rayed usu. yellow flowers.
Etymology
mod.L f. Gk koris bug + opsis appearance, with ref. to the shape of the seed
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