Lewis Short
(adjective) : Etĕōclēs, is and ĕos, m., = Ἐτεοκλῆς
* Son of Oedipus and Jocasta, brother of Polynices; he was the cause of the Theban war, described by the Roman poet Statius in the Thebais, Cic. Off. 3, 21, 82; Hyg. Fab. 76; gen. Eteoclis, Stat. Th. 3, 214: Eteocleos,id. ib. 12, 421; acc. Eteoclea, id. ib. 7, 688.— Hence
* Etĕōclēus, a, um, , of Eteocles: contentiones,App. M. 10, p. 245, 30.
Charlton T. Lewis, Charles Short, A Latin Dictionary