dystrophy
Meaning
a disorder in which an organ or tissue of the body wastes away.
any of a number of disorders involving defective or abnormal development or degeneration, especially of the muscles.
Structure
Usage
muscular dystrophy is a group of genetic diseases that cause progressive weakness and loss of muscle mass.
the patient was diagnosed with a form of corneal dystrophy affecting her vision.
nutritional dystrophy in children can result from severe and prolonged malnutrition.
Etymology
the term dystrophy is a modern medical construction directly from greek components. the prefix 'dys-' carries a sense of abnormality, misfortune, or impairment, while the root '-trophy' derives from 'trophē', meaning nourishment or growth. literally, the word describes a state of 'bad nourishment' or 'faulty development'. this literal sense evolved into its specific medical meaning, referring to disorders where tissues degenerate or develop abnormally due to defects in nourishment, whether from genetic, metabolic, or nutritional causes. it entered english scientific vocabulary in the 19th century to categorize such pathological conditions.
Analysis
dys- (prefix of Greek origin, meaning 'bad', 'difficult', or 'abnormal'); -trophy (combining form from Greek 'trophē', meaning 'nourishment', 'growth', or 'development').