a state in which somebody worries all the time about their health and believes that they are ill when there is nothing wrong with them 疑病(症) Word Originlate Middle English: via late Latin from Greek hupokhondria, denoting the soft body area below the ribs, from hupo ‘under’ + khondros ‘sternal cartilage’. Melancholy was originally thought to arise from the liver, gall bladder, spleen, etc.