gromwell

 
Pronunciation: /ˈgrɒmw(ə)l/

noun

  • a widely distributed plant of the borage family, typically having white or blue flowers which are followed by smooth hard nutlets.
    • Genus Lithospermum, family Boraginaceae: several species, in particular the common Eurasian L. officinale

Origin:

Middle English: from Old French gromil, probably from a medieval Latin phrase meaning 'crane's millet'