Lewis Short
(adj.adj.) : Phŏrōneus (trisyll.), ĕi and ĕos, m., = Φορωνεύς
* Son of Inachus, king of Argos, and brother of Io, Hyg. Fab. 124; 143; 225; 274; Plin. 7, 56, 57, § 193; Stat. Th. 4, 889. —Hence
* Phŏrōnēus, a, um, adj., Phoronean, poet. for Argive: Phoroneis sub antris,Stat. S. 3, 2, 101.
* Phŏrō-nis, ĭdis, f.adj., Phoronean, poet. for Argive: Phoronides latuere venae,i. e. the river Inachus,Sen. Thyest. 115.—Subst.: Phorōnis, ĭdis, f., Io, Ov. M. 1, 668; 2, 524.
Charlton T. Lewis, Charles Short, A Latin Dictionary