Lewis & Short

Pătercŭlus, i, m. [pater],

  1. I. a Roman surname, e. g. C. Velleius Paterculus, the historian; v. Velleius.
    Hence,
  2. II. ‡ Păter-cŭlārĭus, a, um, adj., of or belonging to Paterculus, Not. Tir.