Webster's Revised Unabridged Dictionary · 1913

Episode

Episode , noun

[Greek {not transcribed} a coming in besides, {not transcribed} episode; {not transcribed} into, besides + {not transcribed} a coming in, {not transcribed} into + {not transcribed} way, compare Sanskrit sad to go: compare French épisode.]

(Rhetoric) A separate incident, story, or action, introduced for the purpose of giving a greater variety to the events related; an incidental narrative, or digression, separable from the main subject, but naturally arising from it.