Definition of "perdy"

Yet notwithſtandyng all this geare, / thou cougheſt ſtill, perdy / Ye are a craftie knaue, you cough / to fare deliciouſly.

1577, Martial, “Epigrammes out of Martial. [To Parthenope.]”, in Timothe Kendall, transl., Flowers of Epigrammes […], [Manchester]: […] [Charles Simms] for the Spenser Society, published 1874, pages 56–57

“Perdy,” (said Britomart) “the choise is hard; / But what reward had he that overcame?”

1590, Edmund Spenser, “Book III, Canto I”, in The Faerie Queene. […], London: […] [John Wolfe] for William Ponsonbie