he·​le·​ni·​um | \ hə̇ˈlēnēəm\

Definition of helenium

1 capitalized : a genus of American herbs (family Compositae) with heads of yellow-rayed flowers and truncate-style branches — see sneezeweed sense 1
2 plural -s : any plant of the genus Helenium

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History and Etymology for helenium

New Latin, from Latin, a plant, elecampane, from Greek helenion, perhaps from helenē wicker basket; akin to Greek helix (adjective) twisted, (noun) spiral, anything of spiral shape, helissein to turn, wind, eilein to wind, roll, eilyein to enfold, enwrap

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to speed up the process or progress of

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