Definition of pernio in English:

pernio

Pronunciation /ˈpəːnɪəʊ/

noun

Medicine
  • A chilblain.

Origin

Late 17th century; earliest use found in Richard Wiseman (bap. 1615, d. 1676), surgeon. From classical Latin perniōn-, perniō chilblain from perna leg, thigh, ham (from the same Indo-European base as ancient Greek πτέρνα heel) + -iō.