danewort /ˈdeɪnwəːt 
/ ▸ noun a dwarf Eurasian elder with a strong, unpleasant smell and berries yielding a blue dye. Sambucus ebulus, family Caprifoliaceae.
– ORIGIN early 16th century: so named from the folklore that the plant sprang up where Danish blood was spilt in battle.
EnglishOxford Dictionary of English
