- aff. a combining form meaning “feeling” (antipathy; sympathy), “suffering,”“disease” (cardiopathy; psychopathy), “system or method of treating a disease” (homeopathy; osteopathy)•Etymology: < Gk -patheia, n. der. of-pathēssuffering from (the thing specified), adj. der. of páthos suffering
From formal English to slang. 2014.