Piplian

According to the Old English Dictionary:

piplian

to grow pimply :-- Wið teter and pypylgende (pipligende, MS. B.) líc, Lchdm. i. 234, 10. Wið pypelgende (pipligende, MS. B.) líc ðæt Grécas erpinam (έρπηs) nemnaþ, 266, 20. [Lat. papula a pimple.] piplian