homodiegetic en · ADJ
Etymology
From homo- + diegetic.
Meanings
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(not-comparable) Of or relating to the narrator of a dramatic work who is also the protagonist or other character in the work.
The second part of the novella, including chapters 13-15, is more personal and reflective. Here, our apparently heterodiegetic narrator reveals himself to be homodiegetic: to be Tanner's sidekick BB Trane, previously referred to in the third person.
2018, Nicole Seymour, Bad Environmentalism, page 185: