
ETYMOLOGY
from Greek ἰδιωτικόν, neut. sing. of ἰδιωτικός (idiōtikos – private, unprofessional, ordinary);
taken in the sense of peculiar to oneself
EXAMPLE
“…The one Idea which gives the Tone to each play not seldom implied in the Titles, which deserve to be mentioned as an Idioticon of Shakespears…”
From: Coleridge’s Lectures 1808–19: On Literature, 1987