Lewis & Short

Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.

2. Īō, Iūs, and Īōn, Iōnis, f., = Ἰώ, a daughter of Inachus, king of Argos, beloved by Jupiter, and changed, through fear of Juno, into a cow; afterwards worshipped as an Egyptian deity, under the name of Isis.
Form Io, Ov. H. 14, 85; Prop. 2, 28 (3, 24), 17; Ov. M. 1, 588 sq.; Val. Fl. 4, 351 sq.; Hyg. Fab. 145.
Gen. Ius, Nemes. Cyn. 31.
Acc. Io, Ov. M. 1, 588; Amm. 2, 19, 29.
Abl. Io, Prop. 2, 13, 19.
Form Ion; dat. Ioni, Plaut. Aul. 3, 6, 20.
Acc. Ionem, Serv. Verg. A. 3, 153.

1. ĭon, ĭi, n. [ἴον].

  1. I. A kind of violet, Plin. 21, 11, 38, § 64; plur.: ia, id. 21, 6, 14, § 27.
  2. II. A precious stone of a violet color, Plin. 37, 10, 61, § 170.

2. Īon, ōnis, m., = Ἴων,

  1. I. an Athenian, son of Xuthus, who led a colony into Asia; from him is derived the name Ionia, Vitr. 4, 1; Stat. Th. 8, 454.
  2. II. A sculptor of the one hundred and thirteenth Olympiad, Plin. 34, 8, 19, § 51.