Lixivium

from The Collaborative International Dictionary of English v.0.48

Lixivium \Lix*iv"i*um\, n. [L. lixivium, lixivia. See
   {Lixivial}.]
   A solution of alkaline salts extracted from wood ashes;
   hence, any solution obtained by lixiviation.
   [1913 Webster]