autological
/ɔːtɒlˈɒdʒɪkəl/Definitions
1. adjective
Relating to or giving a definition of itself; self-referential.
“The paradox is an example of an autological statement, which refers to itself.”
2. noun
A self-referential statement or expression.
“The concept of the liar paradox is an example of an autological puzzle.”