Ity is defined as the state of being something.
(suffix)An example of ity is possibility which is the state of being possible.
See -ity in Webster's New World College Dictionary
Origin: ME -ite < OFr or L: OFr ité < L -itas < -i-, ending of stem, or thematic vowel + -tas, -ty
See -ity in American Heritage Dictionary 4
Origin:
Origin: Middle English -itie
Origin: , from Old French -ite
Origin: , from Latin -itās
Origin: , variant of -tās, -ty
.