tansy
/ˈtænzɪ/noun
1- a plant of the daisy family with yellow flat-topped button-like flower heads and aromatic leaves, formerly used in cookery and medicine艾菊。
1.1
- Genus Tanacetum, family Compositae: several species, in particular the common Eurasian T. vulgare.艾菊属, 菊科：数种, 尤指常见的欧亚产的普通菊蒿
词源
Middle English: from Old French tanesie, probably from medieval Latin athanasia 'immortality'， from Greek.