[ 'graʊn(d)s(ə)l ]
■ noun a plant of the daisy family with small yellow rayless flowers. [ Senecio vulgaris (a common weed) and related species.]
Origin
OE gundæswelgiæ (later grundeswylige ), prob. from gund 'pus' + swelgan 'to swallow' (with ref. to its use in poultices).