What does algarot or algaroth mean?
The definition of algarot and algaroth
Al”ga*rot, Al”ga*roth, n.
Etym: [F. algaroth, fr. the name of the inventor, Algarotti.] (Med.)

A term used for the Powder of Algaroth, a white powder which is a compound of trichloride and trioxide of antimony. It was formerly used in medicine as an emetic, purgative, and diaphoretic.