καταδείκνυμι 1 2 3 4
1.to discover and make known, Hdt., Plat., etc.; c. inf. to give notice that . . , Aeschin.:—Pass., c. part., κατεδέδεκτο ἐοῦσα χρηστή had been proved to be good, Hdt.
2.to invent and teach, introduce, exhibit, Ar., Plat.; c. inf. to shew how to do, Hdt., Ar.