Here are the possible solutions for clue setting clue
Answer
Clue
Relevancy
doesntknowbeans
Clue
Hasn't a clue (oddly enough, since this is a clue)
meta
Clue
Referring to this clue within this clue, e.g.
Definition
(US) concerned with cultural conventions; (of an artistic work) self-referential
etaoin
Clue
"___ shrdlu" (nonsense phrase of old type-setting lore which has an interesting backstory but I can't do it justice in the space of a single clue even a long one like this so yeah it's just kind of a