English
interiorness
From interior + -ness.
Formed from interior + -ness
Proto-Indo-European *h₁én ‘in’
Proto-Indo-European *h₁énteros ‘inner’
Latin *interus ‘inner’
Latin interior ‘inner’
English interior
Today it means
noun The state or quality of being interior.
Language periods are conventional ranges, not dates for this word.
Etymograph / interiorness