coreference

or co-ref·er·ence

[ koh-ref-er-uh ns, -ref-ruh ns ]
/ koʊˈrɛf ər əns, -ˈrɛf rəns /

noun Linguistics.

a relationship between two words or phrases in which both refer to the same person or thing and one stands as a linguistic antecedent of the other, as the two pronouns in She taught herself but not in She taught her.

Origin of coreference