leach
A quantity of wood ashes, through which water passes, and thus imbibes the alkali.
Other meanings
A tub or vat for leaching ashes, bark, etc.
A jelly-like sweetmeat popular in the fifteenth century.
Word history
From Middle English "leche" (leachate; sluggish stream).
Where this comes from
This definition is adapted from “leach” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.