potency

noun

Etymology: Borrowed from Latin potentia. Doublet of Potenza.

1. Power, authority.

   “I would to heauen I had your potencie, And you were Isabell: should it then be thus? No: I would tell what 'twere to be a Iudge, and what a prisoner.”

   “Beset on either hand by potencies greater than himself, he becomes the battle-ground of immortals.”

2. The ability or capacity to perform something
3. The ability or capacity to perform something

   “Pliny the Elder states that, to increase sexual potency, the right testis of an ass should be worn in a bracelet.”

4. Concentration; strength
5. Potentiality, ability, capacity.
6. Cardinality.