ἔγνω δὲ φώρ τε φῶρα καὶ λύκος λύκον → the thief knows the thief and the wolf knows the wolf, and thief knows thief and wolf his fellow wolf, set a thief to catch a thief
v. διαβολία.
διαιβολία, η (Α)
η διαβολή.
[ΕΤΥΜΟΛ. Άλλος τ. του διαβολιά].
poet. for διαβολία