Definition of "intratextuality"

intratextuality

noun
countable and uncountable, plural intratextualities
1. The quality of being intratextual.
2. A reference by a text to itself.
  Quotations
  Spenser has an intimate feel for Vergilian intratextuality, the mirrorings and repetitions that create patterns of likeness and difference, reaching over the whole text and linking images, motifs, and persons.
  2010, Joseph Farrell, Michael C. J. Putnam, A Companion to Vergil's Aeneid and its Tradition, page 183