- 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
before a vowel path-
from Greek pathos suffering; see pathos
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
- Disease; suffering:pathogen.