Xerotripsis is a medical term that refers to the abnormal dryness of a body part or tissue. In terms of spelling, the word has an interesting combination of letters. The initial letter "x" is pronounced as /ks/ in IPA and is commonly used to start words in medical and scientific terminology. The rest of the word is broken down into syllables as /ze-ro-trip-sis/. The "xero" part comes from the Greek word for dryness, while "tripsis" means rubbing or friction. Together, the word accurately describes a dry and irritated body part.
Dry friction.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.