pityriasis

From New Latin pityriasis, from Koine Greek πιτυρίασις (pituríasis), from Ancient Greek πίτῡρον (pítūron, “bran”).

• IPA^(key): /ˌpɪtəˈɹaɪəsɪs/

pityriasis (countable and uncountable, plural pityriases)

1. (pathology) Any of several varieties of skin diseases characterized by the shedding of flakes or scales, such as dandruff. [from 17th c.]
   • 1994, Louis de Bernières, Captain Corelli's Mandolin, Minerva, published 1995, page 137:

     ‘This patch is pityriasis, you see, it's coffee-coloured. The things we use for the other troubles will cure that too.’