mangoldwurzel

from The Collaborative International Dictionary of English v.0.48

Mangel-wurzel \Man"gel-wur`zel\, n. [G., corrupted fr.
   mangoldwurzel; mangold beet + wurzel root.] (Bot.)
   A kind of large field beet ({Beta macrorhiza}), used as food
   for cattle, -- by some considered a mere variety of the
   ordinary beet. See {Beet}. [Written also {mangold-wurzel}.]
   [1913 Webster]
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Mangoldwurzel \Man"gold*wur`zel\, n. [G.] (Bot.)
   See {Mangel-wurzel}.
   [1913 Webster]