English word capability comes from English capable, English -ity

Detailed word origin of capability

Dictionary entry	Language	Definition
capable	English (eng)	(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 (eng)	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 (eng)	The power or ability to generate an outcome.

Words with the same origin as capability