alkahest
/ˈal.kə.hɛst/
Etymology
Borrowed from Late Latin alcahest, apparently coined by Paracelsus, as Pseudo-Arabism.
noun
- A universal solvent sought by the alchemists.“This perspective stimulated the alchemical quest for a ‘universal solvent’, that would dissolve and homogenize all substances – a solvent that Paracelsus named the alkahest.”