LIXIVIAL
Etymology
Adjective
lixivial (comparative more lixivial, superlative most lixivial)
(obsolete or historical) Of or derived from lye or wood ashes.
Source: Wiktionary
Lix*iv"i*al, a. Etym: [L. lixivius, fr. lix ashes, lye ashes, lye:
cf. F. lixiviel.]
1. Impregnated with, or consisting of, alkaline salts extracted from
wood ashes; impregnated with a salt or salts like a lixivium. Boyle.
2. Of the color of lye; resembling lye.
3. Having the qualities of alkaline salts extracted from wood ashes.
Lixivial salts (Old Chem.), salts which are obtained by passing water
through ashes, or by pouring it on them.
Source: Webster’s Unabridged Dictionary 1913 Edition