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diagnosis[diagnosis 词源字典]

diagnosis: [17] The underlying meaning of Greek diágnōsis was ‘knowing apart’. It was derived from diagignóskein ‘distinguish, discern’, a compound verb formed from the prefix dia- ‘apart’ and gignóskein ‘know, perceive’ (a relative of English know): In postclassical times the general notion of ‘distinguishing’ or ‘discerning’ was applied specifically to medical examination in order to determine the nature of a disease.
=> know[diagnosis etymology, diagnosis origin, 英语词源]