acanthus (n.)youdaoicibaDictYouDict[acanthus 词源字典]
1660s, from Latin acanthus, from Greek akanthos, from ake "point, thorn" (see acrid) + anthos "flower" (see anther). So called for its large spiny leaves. A conventionalized form of the leaf is used in Corinthian capitals.[acanthus etymology, acanthus origin, 英语词源]