I. -drē-ˌak adjective
Etymology: French hypochondriaque, from Greek hypochondriakos, from hypochondria
Date: 1599
1. : hypochondriacal
2. : of, relating to, or being the two regions of the abdomen lying on either side of the epigastric region and above the lumbar regions
II. noun
Date: 1639
: one affected by hypochondria