inter-trīgo, ĭnis, f. [tero],
a chafing , fretting , or galling of the skin in riding, walking, etc., Varr. L. L. 5, § 176 Müll.: intertrigines, Plin. 20, 14, 53, § 151.
·noun A rubbing or chafing of the skin; especially, an abrasion or excoriation of the skin between f...
Webster's Dictionary of the English Language