Hi, I was taught it's a " noun in apposition " (or " appositive "). Maybe other terms exist. org/wiki/Apposition says: Apposition is a grammatical construction in which two elements, normally noun phrases, are placed side by side, with one element serving to define or modify the other.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
Apposition is a grammatical construction in which two elements, normally noun phrases, are placed side by side,