Definition of porrigo in English:

porrigo

Pronunciation /pəˈrʌɪɡəʊ/

noun

historical Medicine
  • Any of various diseases or conditions characterized by scales or crusts on the scalp, especially ringworm and dandruff. Frequently with distinguishing scientific Latin or English word.

Origin

Early 18th century. From classical Latin porrīgō scurf, dandruff, of uncertain origin (perhaps from porrum leek + -īgō, suffix forming nouns).