[ ep-ahy-soh-dee-on ]
/ ˌɛp aɪˈsoʊ diˌɒn /

noun, plural ep·ei·so·di·a [ep-ahy-soh-dee-uh] /ˌɛp aɪˈsoʊ di ə/.

(in ancient Greek drama) an interlude or section alternating with the stasimon, especially in tragedy, varying in number from three to six and containing the main action of the drama.
Also episode.

Origin of epeisodion

< Greek epeisódion; see episode
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019