The story
Glauber+salt. Named after German iatrochemist Johann Glauber (1604–1670) who manufactured sodium sulphate, a salt, in 1656.
Etymology from Wiktionary, CC BY-SA 4.0.
Glauber's salt
Today it means: sodium sulphate (typically a hydrated form) typically used as a laxative or in dyeing wool. Full definition →