God of light and oath
Late 4th-century Sasanian relief of Mithra
Other namesMehr, Mitra
Roman equivalentMithras
Hinduism equivalentMitra

Mithra (Avestan: 𐬨𐬌𐬚𐬭𐬀 Miθra, Old Persian: 𐎷𐎰𐎼 Miθra), commonly known as Mehr or Mithras among Romans,[1] is an ancient Iranian deity of covenants, light, oath, justice, the sun,[2] contracts, and friendship.[3] In addition to being the divinity of contracts, Mithra is also a judicial figure, an all-seeing protector of Truth, and the guardian of cattle, the harvest, and the Waters.

The Romans attributed their Mithraic mysteries to Zoroastrian Persian sources relating to Mithra. Since the early 1970s, the dominant scholarship has noted dissimilarities between the Persian and Roman traditions, making it, at most, the result of Roman perceptions of Zoroastrian ideas.[4]


Together with the Vedic common noun mitra, the Avestan common noun miθra derives from Proto-Indo-Iranian *mitrám (Mitra), from the root *mi- "to bind", with the "tool suffix" -tra- "causing to". Thus, etymologically mitra/miθra means "that which causes binding", preserved in the Avestan word for "Covenant, Contract, Oath".[citation needed]

In Middle Iranian languages (Middle Persian, Parthian etc.), miθra became mihr, from which New Persian مهر mehr and Armenian մհեր mihr/mher ultimately derive.

In scripture

Like most other divinities, Mithra is not mentioned by name in the Gathas, the oldest texts of Zoroastrianism and traditionally attributed to Zoroaster himself, or by name in the Yasna Haptanghaiti, a seven-verse section of the Yasna liturgy that is linguistically as old as the Gathas. As a member of the Iranian ahuric triad, along with Ahura Mazda and Ahura Berezaiti (Apam Napat), Mithra is an exalted figure. Together with Rashnu "Justice" and Sraosha "Obedience", Mithra is one of the three judges at the Chinvat Bridge, the "Bridge of Separation" that all souls must cross. Unlike Sraosha, however, Mithra is not a psychopomp, a guide of souls to the place of the dead. Should the Good Thoughts, Words, and Deeds outweigh the Bad, Sraosha alone conveys the Soul across the Bridge.

As the god of contract, Mithra is undeceivable, infallible, eternally watchful, and never-resting. Mithra is additionally the protector of cattle, and his stock epithet is "of Wide Pastures." He is guardian of the waters and ensures that those pastures receive enough of it.

The lack of Mithra's presence in the texts was once a cause of some consternation amongst Iranians. An often repeated speculation of the first half of the 20th century was that the lack of any mention (i.e., Zoroaster's silence) of Mithra in these texts implied that Zoroaster had rejected Mithra. This ex silentio speculation is no longer followed. Building on that speculation was another series of speculations, which postulated that the reason why Zoroaster did not mention Mithra was that the latter was the supreme God of a bloodthirsty group of daeva-worshipers that Zoroaster condemned. However, "no satisfactory evidence has yet been adduced to show that, before Zoroaster, the concept of a supreme god existed among the Iranians, or that among them Mithra – or any other divinity – ever enjoyed a separate cult of his or her own outside either their ancient or their Zoroastrian pantheons."[5]

Coinage of Kushan ruler Kanishka I with Miiro (Μιιρο), "Mithra". c. 120–150 CE

The Avestan Hymn to Mithra (Yasht 10) is the longest, and one of the best-preserved, of the Yashts. Mithra is described in the Zoroastrian Avesta scriptures as "Mithra of Wide Pastures, of the Thousand Ears, and of the Myriad Eyes," (Yasna 1:3),[6] "the Lofty, and the Everlasting... the Province Ruler,"(Yasna 1:11),[6] "the Yazad (Divinity) of the Spoken Name" (Yasna 3:5),[6] and "the Holy," (Yasna 3:13).[6] The Khorda Avesta (Book of Common Prayer) also refer to Mithra in the Litany to the Sun, "Homage to Mithra of Wide Cattle Pastures," (Khwarshed Niyayesh 5),[7] "Whose Word is True, who is of the Assembly, Who has a Thousand Ears, the Well-Shaped One, Who has Ten Thousand Eyes, the Exalted One, Who has Wide Knowledge, the Helpful One, Who Sleeps Not, the Ever Wakeful. We sacrifice to Mithra, The Lord of all countries, Whom Ahura Mazda created the most glorious, Of the Supernatural Yazads. So may there come to us for Aid, Both Mithra and Ahura, the Two Exalted Ones,"(Khwarshed Niyayesh 6-7),[7] "I shall sacrifice to his mace, well-aimed against the Skulls of the Daevas" (Khwarshed Niyayesh 15).[7] Some recent theories have claimed Mithra represents the Sun itself, but the Khorda Avesta refers to the Sun as a separate entity – as it does with the Moon, with which the Sun has "the Best of Friendships," (Khwarshed Niyayesh 15).[7]

In inscriptions

Although there is no known Mithraic iconography in the Achaemenid period,[8] the deity is invoked in several royal Achaemenid inscriptions:

In Artaxerxes II's (r. 404 – 358 B.C.) trilingual (Old Persian, Elamite, and Babylonian) inscription at Susa (A2Sa) and Hamadan (A2Hc), which have the same text, the emperor appeals to "Ahuramazda, Anahita, and Mithra protect me against all evil," and beseeches them to protect what he has built.

Although the Behistun inscription of Darius I (r. 522 – 486 B.C.) invokes Ahuramazda and "the Other Gods who are", this inscription of Artaxerxes II is remarkable as no Achaemenid king before him had invoked any but Ahura Mazda alone by name. Boyce suggests that the reason for this was that Artaxerxes had chosen Anahita and Mithra as his patron/protector Divinities.

Mithra is invoked again in the single known inscription of Artaxerxes III, A3Pa, found at Persepolis. In that inscription, that emperor appeals to "Ahuramazda and the God Mithra preserve me, my country, and what has been built by me."

In tradition

Coin of Artabanus II of Parthia (c. 128–124 BC). The Hellenistic depiction on the reverse shows the king kneeling before an Apollo-like god, which is thought to be Mithra.[8]
A marble relief of the tauroctony in later Roman Mithraism, 2nd – 3rd century CE
Investiture of Sassanid emperor Ardashir II (3rd century CE bas-relief at Taq-e Bostan, Iran. On the left stands the yazata Mithra with raised barsom, sanctifying the investiture.[8]

In the Zoroastrian calendar, the sixteenth day of the month and the seventh month of the year are dedicated to and are under the protection of Mithra. The Iranian civil calendar of 1925 adopted Zoroastrian month-names, and as such also has the seventh month of the year named "Mihr". The position of the sixteenth day and seventh month reflects Mithra's rank in the hierarchy of the Divinities; the sixteenth day and seventh month are respectively the first day of the second half of the month and the first month of the second half of the year. The day on which the day-name and month-name dedications intersect is (like all other such intersections) dedicated to the divinity of that day/month, and is celebrated with a Jashan (from Avestan Yasna, "Worship") in honor of that Divinity. In the case of Mithra, this was Jashan-e Mehregan, or just Mehregan for short.

In Zoroastrian scripture, Mithra is distinct from the divinity of the Sun, Hvare-khshaeta (literally "Radiant Sun", from which the Middle Persian word Khorshed for the Sun). However, in Zoroastrian tradition, Mithra evolved from being an all-seeing figure (hence vaguely associated with the Sun) into a divinity co-identified with the Sun itself, effectively taking over Hvare-khshaeta's role. It is uncertain how and when and why this occurred, but it is commonly attributed to conflation with the Babylonian sun god Shamash and/or the Greek deity Apollo, with whom Mithra shares multiple characteristics such as a judicial function and association with the Sun. This characteristic is part of Mithra's Indo-Iranian inheritance in that the Indic Rigveda has solar divinities that are not distinct from Mithra, who is associated with sunrise in the Atharvaveda. Om Mitraya Namaha is a Hindu mantra chanted in the practice of Sun Salutation, wherein Mitra is a name of the god of the Sun, Surya.[9]

Royal names incorporating Mithra's (e.g., "Mithradates") appear in the dynasties of Parthia, Armenia, and in Anatolia, in Pontus and Cappadocia.

The youthful Apollonian-type Mithra is found in images from other countries of Iranian culture in the Parthian period, such as Commagene in the Roman-Parthian border and the Kushan Empire on the Indo-Iranian border.[8]

In Manichaeism

Persian and Parthian-speaking Manichaeans used the name of Mithra current in their time (Mihryazd, q.e. Mithra-yazata) for two different Manichaean angels.

  1. The first, called Mihryazd by the Persians, was the "Living Spirit" (Aramaic rūḥā ḥayyā), a savior-figure who rescues the "First Man" from the demonic Darkness into which he had plunged.
  2. The second, known as Mihr or Mihr Yazd among the Parthians, is the "Messenger" (Aramaic īzgaddā), likewise a savior figure, but one concerned with setting up the structures to liberate the Light lost when the First Man had been defeated.

The second figure mentioned above, the Third Messenger, was the helper and redeemer of mankind, and identified with another Zoroastrian divinity, Narisaf (derived from Pahlavi Narsēh from Avestan Nairyō.saȵhō, meaning 'Potent Utterance', the name of a Yazata).[10] Citing Boyce,[11] Sundermann remarks, "It was among the Parthian Manicheans that Mithra as a Sun God surpassed the importance of Narisaf as the common Iranian image of the Third Messenger; among the Parthians the dominance of Mithra was such that his identification with the Third Messenger led to cultic emphasis on the Mithraic traits in the Manichaean God."[12]

Unrelated to these Mihrs are Parthian and Sogdian Mytr or Mytrg. Although sharing linguistic roots with the name Mithra, Werner Sundermann established that those names denote Manicheanism’s equivalent of Maitreya.

In literature

According to Boyce, the earliest literary references to the mysteries are by the Latin poet Statius, about 80 CE, and Plutarch (c. 100 CE).[13]

See also


  1. ^ McIntosh, Jane; Chrisp, Peter; Parker, Philip; Gibson, Carrie; Grant, R. G.; Regan, Sally (October 2014). History of the World in 1,000 Objects. New York: DK and the Smithsonian. p. 83. ISBN 978-1-4654-2289-7.
  2. ^ "Mithraism | Definition, History, Mythology, & Facts | Britannica". Retrieved 2022-07-02.
  3. ^ Storm, Rachel (2011). Sudell, Helen (ed.). Myths & Legends of India, Egypt, China & Japan (2nd ed.). Wigston, Leicestershire: Lorenz Books. pp. 12, 52.
  4. ^ Beck, Roger (2002-07-20). "Mithraism". Encyclopaedia Iranica, Online Edition. Retrieved 2012-09-07.
  5. ^ Boyce 2001, p. 243, n.18.
  6. ^ a b c d "AVESTA: YASNA (English): Chapters 0-8".
  7. ^ a b c d "AVESTA: KHORDA AVESTA: Niyayeshes (Litanies)".
  8. ^ a b c d Franz Grenet, "MITHRA ii. ICONOGRAPHY IN IRAN AND CENTRAL ASIA", Encyclopædia Iranica, online edition, 2016, available at (accessed on 19 May 2016).
  9. ^ Stec, Krzysztof (2007-01-01). Suryanamaskar: Sun Salutations. Motilal Banarsidass. p. 138. ISBN 978-81-208-4092-8.
  10. ^ Sundermann, Werner (1979), "The Five Sons of the Manichaean God Mithra", in Ugo Bianchi (ed.), Mysteria Mithrae: Proceedings of the International Seminar on the Religio-Historical Character of Roman Mithraism, Leiden: Brill
  11. ^ Boyce, Mary (1962), "On Mithra in the Manichaean Pantheon", in Henning, Walter B.; Yarshater, Ehsan (eds.), A Locust's Leg: Studies in Honour of S. H. Taqizadeh, London((citation)): CS1 maint: location missing publisher (link).
  12. ^ Sundermann, Werner (2002), "Mithra in Manicheism", Encyclopaedia Iranica, Costa Mesa: Mazda Pub
  13. ^ Boyce, Mary; Grenet, Frantz (1975). Zoroastrianism under Macedonian and Roman rule, Part 1. Brill. pp. 468, 469. ISBN 90-04-09271-4. Retrieved 2011-03-16. ... the Persian affiliation of the Mysteries is acknowledged in the earliest literary reference to them. This is by the Latin poet Statius who, writing about 80 CE., described Mithras as one who "twists the unruly horns beneath the rocks of a Persian cave". Only a little later (c. 100 CE.) Plutarch attributed an Anatolian origin to the Mysteries, for according to him the Cilician pirates whom Pompey defeated in 67 BCE. "celebrated certain secret rites, amongst which those of Mithras continue to the present time, having been first instituted by them".


  • Boyce, Mary (2001), "Mithra the King and Varuna the Master", Festschrift für Helmut Humbach zum 80., Trier: WWT, pp. 239–257
  • Malandra, William (1983), An Introduction to Ancient Iranian Religion, Minneapolis: University of Minnesota Press, ISBN 0-8166-1115-7
  • Schmidt, Hans-Peter (2006), "Mithra i: Mithra in Old Indian and Mithra in Old Iranian", Encyclopaedia Iranica, vol. OT 10, New York:
  • Jacobs, Bruno (2006), "Mithra" (PDF), Iconography of Deities and Demons in the Ancient Near East, (Electronic Pre-Publication), Leiden: U Zürich/Brill.
  • Dumézil, Georges (1948), Mitra-Varuna: Essai sur deux représentations indo-européennes de la souveraineté, 2nd edn. Paris: Gallimard, 1948 (1st edn. 1940); trans. as Mitra-Varuna: An Essay on Two Indo-European Representations of Sovereignty by Derek Coleman, New York: Zone Books, 1988.