From Greek 'epeisodion' (something entering besides) — originally the spoken parts between choral songs in Greek theater.
An event or a group of events occurring as part of a larger sequence; a section of a serialized story or broadcast.
From French 'épisode,' from Greek 'epeisodion' (an addition, a parenthetic narrative, an interpolated scene), neuter of 'epeisodios' (coming in besides, entering from the side), from 'epi-' (upon, in addition) + 'eisodos' (a coming in, an entrance, an access), from 'eis' (into) + 'hodos' (way, road, path), from PIE *sed- or *od- (way, journey). In Greek tragic drama, an 'epeisodion' was the portion of a play between two choral odes — literally the scene that 'comes in beside' the choral song. Greek 'hodos' (road, way) underlies