History and Etymology for - ity
Middle French - it�, from Latin - itat - , - itas, from - i - ( stem vowel of adjectives ) - tat - , - tas - ity; akin to Greek - tēt - , - tēs - ity
( ibid )
Definition of - ity
noun suffix
( ibid ) : quality : state : degree
ity : یّت
humanity انسانیت
identity : هویت
quantity : کمیت
quality : کیفیت
reality : واقعیت
و . . .