-pathy

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.

It is the hypothetical source of/evidence for its existence is provided by: Greek pathos "suffering, feeling, emotion, calamity," penthos "grief, sorrow;" Old Irish cessaim "I suffer;" Lithuanian kenčiu, kentėti "to suffer," pakanta "patience."

1830, from German Homöopathie, coined 1824 by German physician Samuel Friedrich Hahnemann (1755-1843) from Greek homoios "like, similar, of the same kind" (see homeo-) + -patheia "disease," also "feeling, emotion" (see -pathy). Greek homoiopathes meant "having like feelings or affections, sympathetic."