From Wiktionary, the free dictionary
From interior + -ity.
interiority (usually uncountable, plural interiorities)
- The state or quality of being private or interior to the person
2007 March 30, Andrea K. Scott, “The Way the World Ends, Vividly Imagined”, in New York Times[1]:(For a contemporary counterpart consider the perverse geometry and raw interiority of the painter Carroll Dunham.)