Lewis & Short

2. Pŏtentĭa, ae, f.

  1. I. A town in Picenum, now S. Maria di Potenza, Liv. 39, 44; Cic. Har. Resp. 28, 62; Plin. 3, 13, 18, § 111.
    Hence,
    1. B. Pŏtentīnus, a, um, adj., Potentian: ager, Front. Colon. p. 123 Goes.
  2. II. A town in Lucania, now Potenza; hence, Pŏtentīni, ōrum, m., the inhabitants of Potentia, in Lucania, Plin. 3, 11, 15, § 98.