quiddity /kwidˈi-ti/ or (archaic) quiddit /kwidˈit/

1. The inherent nature or essence of anything
2. Any trifling nicety
3. A quibble

• self-begotten
• self-betrayal
• self-betrayals
• self-binder
• self-binders
• self-blinded
• self-born
• self-bounty
• self-breath
• self-build
• self-built
• self-capacitance
• self-catering
• self-centred
• self-centredly
• self-centredness
• self-certificate
• self-certification
• self-charities
• self-charity
• self-cleaning
• self-closing
• self-cocker
• self-cockers
• self-cocking