pathophysiology(adj.) 1952, frompatho-+physiology. *kwent(h)- Proto-Indo-European root meaning "to suffer." It forms all or part of:anthropopathy;antipathy;apathy;empathy;idiopathy;nepenthe;osteopathy;-path;pathetic;-pathic;patho-;pathogenic;pathognomonic;pathology;pathos;-pathy;psychopathic;sympathy...