Paradiegesis; or, a Bye-Leading Addition of Outside Facts by way of Reasoning
Par-a-di-ee-gee´-sis, from the Greek παρά (para), beside, διά (dia), through, or by means of, and ἡγεῖσθαι (heegeisthai), to lead, or guide . Hence the figure is used when there is an addition of facts which are beside the case, yet help to establish it.