Word Study
Gromwell
CIDE DICTIONARY
Gromwell, n. [Called also gromel, grommel, graymill, and gray millet, all prob. fr. F. gr?mil, cf. W. cromandi.].
A plant of the genus Lithospermum (L. arvense ), anciently used, because of its stony pericarp, in the cure of gravel. The German gromwell is the Stellera . [1913 Webster]
OXFORD DICTIONARY
Gromwell, n. any of various plants of the genus Lithospermum, with hard seeds formerly used in medicine.
Etymology
ME f. OF gromil, prob. f. med.L gruinum milium (unrecorded) crane's millet
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