διαγνώστης
From LSJ
Sunt verba voces quibus hunc lenire dolorem possis, magnam morbi deponere partem → Words will avail the wretched mind to ease and much abate the dismal black disease.
English (LSJ)
ου, ὁ, A examining magistrate, = Lat. cognitor, Gloss.
Spanish (DGE)
-ου, ὁ magistrado encargado de examinar las sentencias, Gloss.2.270.