Lewis & Short

Pătăvĭum, ĭi, n.,

  1. I. an important city of Gallia Cisalpina, in the territory of the Veneti, founded by Antenor, the birthplace of Livy the historian, the modern Padua, Mel. 2, 4, 2; Plin. 3, 19, 23, § 130, Liv. 10, 2 fin.; Verg. A. 1, 247, Suet. Tib 14; Sen. Cons. ad Helv. 7 et saep.
    Hence,
  2. II. Pă-tăvīnus, a, um, adj., atavinian. Paduan: tunicae. Mart. 14, 143, 1: volumina, i. e. Livy’s Roman history, Sid. Carm. 2, 189.
    In plur. subst.: Pătăvīni, ōrum, m., the inhabitants of Patavium, the Patavinians, Cic. Phil. 12, 4, 10; Liv. 10, 2; Plin. 3, 16, 20, § 121.