alembroth means the "salt of wisdom" of the alchemists, a double salt composed of the chlorides of ammonium and mercury, formerly used as a stimulant.
Etymology
From post-classical Latin alembrottus, likely derived from an Arabic term; further etymology uncertain.
noun
- The "salt of wisdom" of the alchemists, a double salt composed of the chlorides of ammonium and mercury, formerly used as a stimulant.“1802–1819, Abraham Rees, The Cyclopædia; or, Universal Dictionary of Arts, Sciences, and Literature
It contains about 2500 inhabitants, parations of alembroth salt, given by the old writers of is a marquisate, and has 13 parishes belonging to its district”