lixivium
/lɪkˈsɪviəm/
noun
- A solution obtained by soaking or washing ashes, used especially in making soap or as a cleaning agent; also called lye.
- She carefully strained the lixivium through a cloth to remove any remaining ash particles.
- Farmers once used lixivium to treat soil and break down organic matter.
- The old recipe called for lixivium made from wood ashes to create homemade soap.