Iris stands behind the seated Juno (right) in a Pompeii fresco
In Greek mythology, Iris (/ˈaɪrɨs/; Greek: Ἶρις) is the personification of the rainbow and messenger of the gods. She is also known as one of the goddesses of the sea and the sky. Iris links the gods to humanity. She travels with the speed of wind from one end of the world to the other, and into the depths of the sea and the underworld.
Iris is frequently mentioned as a divine messenger in the Iliad which is attributed to Homer, but does not appear in his Odyssey, where Hermes fills that role. Like Hermes, Iris carries a caduceus or winged staff. By command of Zeus, the king of the gods, she carries an ewer of water from the River Styx, with which she puts to sleep all who perjure themselves. According to Apollonius Rhodius, Iris turned back the ArgonautsZetes and Calais who had pursued the Harpies to the Strophades ('Islands of Turning'). (This eventful 'turning' may have resulted in the islands' name.) The brothers had driven off the monsters from their torment of the prophet Phineus, but did not kill them upon the request of Iris, who promised that Phineas would not be bothered by the Harpies again.
Winged female figure holding a caduceus: Iris (messenger of the gods) or Nike (Victory)
Iris is married to Zephyrus, who is the god of the west wind. Their son is Pothos (Nonnus, Dionysiaca). According to the Dionysiaca of Nonnos, Iris' brother is Hydaspes (book XXVI, lines 355-365).
In Euripides' play Heracles, Iris appears alongside Lyssa, cursing Heracles with the fit of madness in which he kills his three sons and his wife Megara. In some records she is a sororal twin to the TitanessArke (arch), who flew out of the company of Olympian gods to join the Titans as their messenger goddess during the Titanomachy, making the two sisters enemy messenger goddesses. Iris was said to have golden wings, whereas Arke had iridescent ones. She is also said to travel on the rainbow while carrying messages from the gods to mortals. During the Titan War, Zeus tore Arke's iridescent wings from her and gave them as a gift to the NereidThetis at her wedding, who in turn gave them to her son, Achilles, who wore them on his feet. Achilles was sometimes known as podarkes (feet like [the wings of] Arke.) Podarces was also the original name of Priam, king of Troy.
Iris also appears several times in Virgil's Aeneid, usually as an agent of Juno. In Book 4, Juno dispatches her to pluck a lock of hair from the head of Queen Dido, that she may die and enter Hades. In book 5, Iris, having taken on the form of a Trojan woman, stirs up the other Trojan mothers to set fire to 4 of Aeneas' ship in order to prevent them from leaving Sicily.
Iris had numerous poetic titles and epithets, including Chrysopteron (Golden Winged), Podas ôkea (swift footed) or Podênemos ôkea (wind-swift footed), Roscida (dewey), and Thaumantias or Thaumantos (Daughter of Thaumas, Wondrous One). Under the epithet Aellopus (Ἀελλόπους) she was described as swift-footed like a storm-wind. She also watered the clouds with her pitcher, obtaining the water from the sea.
Iris is represented either as a rainbow, or as a young maiden with wings on her shoulders. As a goddess, Iris is associated with communication, messages, the rainbow and new endeavors.
The word iridescence is derived in part from the name of this goddess.
"Arco iris" and "arco-íris" are the words for "rainbow" in Spanish and Portuguese, respectively, where "Arco" means "bow" in English.
The iris of the eye is named after her as she was the goddess of the rainbow, to reflect the many colours of the eye.
In 1946, Iris was depicted on a 50-franc airmail stamp in France. This was accompanied the same year by a 40-franc airmail stamp depicting a centaur shooting an arrow into the sky.
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