Lewis & Short

Nĕro, ōnis, m. [a Sabine word, = fortis; cf. Nerio = fortitudo; root nar; Sanscr. naras, man; Gr. ἀνήρ; cf. ἠνορέη],

  1. I. a family name in the gens Claudia, whose most famous member was the emperor C. Claudius Nero, Tac. A. lib. 12-16 passim; Suet. Ner. 1 sqq.; Juv. 8, 223; 12, 129 et saep.
  2. II. Hence,
    1. A. Nĕrōnēus, a, um, adj., Neronian: mensem quoque Aprilem Neroneum appellavit, Suet. Ner. 55: unda, the warm baths of Nero, Stat. S. 1, 5, 6: certamen, the games in the Grecian manner instituted by Nero, Suet. Vit. 4; so, agon, id. Ner. 12.
    2. B. Nĕrōnĭānus, a, um, adj., of Nero, Neronian: Neronianum dictum, Cic. de Or. 2, 61, 248: piscina, perh. laid out after the pattern of the fish-ponds of Nero, near Baiæ, Cassiod. Var. 2, 39.
      1. 2. Nĕrōnĭānus, i, m., a Roman surname: Patrobius Neronianus, Suet. Galb. 20.
    3. C. Nĕrōnĭus, a, um, adj., Neronian, Suet. Ner. 12.