groundsel

[ground-suhl]

ground·sel

1[ground-suhl]
noun
any composite plant of the genus Senecio, especially S. vulgaris, a common weed having clusters of small yellow disk flowers without rays.

Origin:
before 900; Middle English grundeswili(e), groundeswel, Old English grundeswelge, gundeswelge; compare Old English gund pus, swelgan to swallow, absorb (from its use in medicine); the -r- is by folk etymology from association with ground1

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Groundsel is always a great word to know.
So is doohickey. Does it mean:
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
a gadget; dingus; thingumbob.
Dictionary.com Unabridged

ground·sel

2[ground-suhl]
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Collins
World English Dictionary
groundsel (ˈɡraʊnsəl)
 
n
1.  See also ragwort any of certain plants of the genus Senecio, esp S. vulgaris, a Eurasian weed with heads of small yellow flowers: family Asteraceae (composites)
2.  groundsel tree a shrub, Baccharis halimifolia, of E North America, with white plumelike fruits: family Asteraceae
 
[Old English grundeswelge, changed from gundeswilge, from gund pus + swelgan to swallow; after its use in poultices on abscesses]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Encyclopedia Britannica
Encyclopedia

groundsel

any of about 1,200 species of annual, biennial, and perennial herbs, shrubs, trees, and climbers constituting the genus Senecio of the family Asteraceae, distributed throughout the world. Some species are cultivated as border plants or houseplants, and many species contain alkaloids that are poisonous to grazing animals

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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