episode
The origin and history of episode.
Etymology
From French épisode, from New Latin *epīsodium, from Ancient Greek ἐπεισόδιον (epeisódion, “a parenthetic addition, episode”), neuter of ἐπεισόδιος (epeisódios, “following upon the entrance, coming in besides, adventitious”), from ἐπί (epí, “on”) + εἰς (eis, “into”) + ὁδός (hodós, “way”).