
English word capability comes from English capable, English -ity
capable (English)
(obsolete) Of sufficient capacity or size for holding, containing, receiving or taking in. Construed with of, for or an infinitive.. Able and efficient; having the ability needed for a specific task; having the disposition to do something; permitting or being susceptible to something.
-ity (English)
Used to form a noun from an adjective; especially, to form the noun referring to the state, property, or quality of conforming to the adjective's description.. Used to form other nouns, especially abstract nouns.
capability (English)
The power or ability to generate an outcome.