SG Heritage Dictionary

Idiopathy [Noun] Webster's Dictionary 1828

1. An original disease in a particular part of the body; a disease peculiar to some part of the body and not proceeding from another disease.

2. Peculiar affection.

Idiopathy [Noun] Webster's Dictionary 1913

1. A peculiar, or individual, characteristic or affection.

2. A morbid state or condition not preceded or occasioned by any other disease; a primary disease.