Related Clues:

• Having multiple layers of self-reference
• Self-referential, informally
• Inside opening?
• "You've Made ___ Very Happy" (Blood, Sweat and Tears hit)
• ''Ancient'' starter
• Self-referential, in modern lingo
• Abstract, as it were
• Insects course, for short
• "I ___ man with seven wives"
• "... I ___ man with seven wives"
• Prefix with "morphosis"
• Prefix meaning "beyond"
• Inward
• Inner: Pref
• Prefix for "physics" or "physical"