noun
- a bushy composite plant, Chrysanthemum parthenium, bearing small white flowers, formerly used as a remedy for fever and headache.
noun
- a bushy European strong-scented perennial plant, Tanacetum parthenium, with white flower heads, formerly used medicinally: family Asteraceae (composites)
Old English feferfuge, from Late Latin febrifugia, from Latin febris “fever” (see fever) + fugare “put to flight;” so called for its medical usage. The modern English word probably is from an Anglo-French source.