Originally this term was reserved for a story told in strict confidence. It is from the Greek an ekdotos, meaning not to be published or given out.
Complete Speaker’s And Toastmaster’s Library by Jacob M. Braude, 1965.
The method followed in collecting books for this library, was, to seize all those which were brought into Egypt by Greeks or other foreigners. The books were transcribed in the museum by persons appointed for that purpose; the copies were then delivered to the proprietors, and the originals laid up in the library.
The Domestic Encyclopedia by A.F.M. Willich, 1821.
Idiot originally comes from the Greek word idiotes used to refer to a person who was a private individual, or more specifically, one who was so preoccupied with their own personal life that they would not take part in the democratic process.
Ultimate Book of Top Ten Lists by Jamie Frater, 2009.