a combining form meaning “suffering,” “disease,” “feeling,” used in the formation of compound words: pathology.

Also especially before a vowel, path-.

Origin of patho-

combining form representing Greek páthos; see pathos Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for patho-


before a vowel path-

combining form


Word Origin for patho-

from Greek pathos suffering; see pathos
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for patho-

before vowels path-, word-forming element meaning "Suffering, disease," from Greek patho-, comb. form of pathos "suffering, disease" (see pathos).

Online Etymology Dictionary, © 2010 Douglas Harper

patho- in Medicine



Disease; suffering:pathogen.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.