intertextuality
noun
in·ter·tex·tu·al·i·ty ˌin-tər-ˌteks-chə-ˈwa-lə-tē 
plural intertextualities
: the complex interrelationship between a text and other texts taken as basic to the creation or interpretation of the text
intertextual
ˌin-tər-ˈteks-chə-wəl
adjective intertextually adverb
Word History
Etymology
French intertextualité, from inter- + textuel textual + -ité -ity
First Known Use
1972, in the meaning defined above