tansy
Concise Oxford English Dictionary © 2008 Oxford University Press:
tansy /ˈtanzi/
▶noun a plant with yellow flat-topped button-like flower heads and aromatic leaves. [Tanacetum vulgare and related species.]
– origin ME: from OFr. tanesie, prob. from med. L. athanasia ‘immortality’, from Gk.
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