Sentence:  "Lilius Geraldus" ſaith,that "Hercules" after all his mad <WSD>prankes</WSD> vpon his wife and children, was perfectly cured by a purge of "Hellebor",which an "Anticyrian" adminiſtred vnto him. 
Meaning of the word marked with <WSD> tags:  An evil deed; a malicious trick, an act of cruel deception.