Relating to or involving a digression or departure from a main narrative or theme.
From Greek 'ekbatikos' derived from 'ekbasis' (digression), with the -ic suffix denoting adjective form. It describes the quality of being digressive or deviating.
This word is the adjective form of the storytelling technique—so you could describe Homer's passages in the Odyssey as 'ecbatic' when he pauses the main adventure to tell background stories about characters.
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