The Collaborative International Dictionary
Lixivium
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.
Wiktionary
lixivium
n. 1 A solution of alkaline salts extracted from wood ashes. 2 Any solution obtained by lixiviation.