Aruns, untis, m., an Etruscan name of the younger son, while the elder was called Lar or Lars [in pure Etruscan, Arnth.; Gr. Ἄρρων or Ἀρροῦνς].
- I. A brother of Lucumo (Tarquinius Priscus), Liv. 1, 34.
- II. A younger son of Tarquin the Proud, Liv. 1, 56; 2, 6.
- III. A son of Porsenna, Liv. 2, 14.
- IV. An Etruscan seer, Luc. 1, 585; v. Müll. Etrusk. 1, pp. 405 and 409.