diagnosis

Term:  diagnosis

Literally meaning : 

Origin  
δια-/dia-(through) > δυο/dio(two) 
+ γνώσις/gnosis(=(inquiry, knowing) > γιγνώσκω/gignosko(=come to know, to learn). To the Greeks a diagnosis meant specifically a "discrimination, a distinguishing between two possibilities more compatible with differential diagnosis. 

Coined 
(?)

Definition:

Determination of  the nature and cause of a disease or injury