Sentence:  ... I purged him with our "Quintaeſſencia Solutiuo", eight dayes together, that being done I made him a <WSD>fomentation</WSD>, that cauſed him to ſweate well, and to ſpitte aboundaunce, ... 
Meaning of the word marked with <WSD> tags:  A lotion or poultice applied to a diseased or injured part of the body.