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Concept
Tishtrya
Summary
Tishtrya (Tištrya, Tir) or Roozahang is the Avestan language name of a Zoroastrian benevolent divinity associated with life-bringing rainfall and fertility. Tishtrya is Tir in Middle- and Modern Persian. As has been judged from the archaic context in which Tishtrya appears in the texts of the Avesta, the divinity/concept is almost certainly of Indo-Iranian origin.
In a hymn of the Avesta (incorporated by Ferdowsi, with due acknowledgement, in the Shahnameh), Tishtrya is involved in a cosmic struggle against the drought-bringing demon Apaosha. According to the myth, in the form of a pure white horse the god did battle with the demon who, in contrast, had assumed the form of a terrifying black horse. Apaosa soon gained the upper hand over Tishtrya, who was weakened from the lack of sufficient prayers and sacrifices from humankind. The yazata proceeded to call upon the Creator Ahura Mazda, who himself then intervened by offering a sacrifice to the overwhelmed god. Infused with the power brought by this sacrifice, Tishtrya was able to overcome Apaosa, and his rains were able to flow to the parched fields and pastures unabated by drought. This story serves to underscore the importance of votive offerings and sacrifice in religious tradition.
In the Zoroastrian religious calendar, the 13th day of the month and the 4th month of the year are dedicated to Tishtrya/Tir, and hence named after the entity. In the Iranian civil calendar, which inherits its month names from the Zoroastrian calendar, the 4th month is likewise named Tir.
During the Achaemenid period, Tishtrya was conflated with Semitic Nabu-*Tiri, and thus came to be associated with the Dog Star, Sirius. The Tiregan festival, previously associated with *Tiri (a reconstructed name), was likewise transferred to Tishtrya. During the Hellenic period, Tishtrya came to be associated with Pythian Apollo, patron of Delphi, and thus a divinity of oracles.
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Related concepts (8)
Apaosha
Apaosha (Apaoša, Apauša) is the Avestan language name of Zoroastrianism's demon of drought. He is the epitomized antithesis of Tishtrya, divinity of the star Sirius and guardian of rainfall. In Zoroastrian tradition, Apaosha appears as Aposh or Apaush. For many decades, the Avestan common noun apaosha- "drought" was thought to derive from either *apa-uša- "burning away" or *apa-vṛt(a)- "stemming the waters." In the late 1960s, it was proposed that apaoša- was the antonym of an unattested derivative of *pauša- "thriving".
Verethragna
Verethragna or Bahram (𐬬𐬆𐬭𐬆𐬚𐬭𐬀𐬖𐬥𐬀 vərəθraγna) is an Indo-Iranian deity. The neuter noun verethragna is related to Avestan verethra, 'obstacle' and verethragnan, 'victorious'. Representing this concept is the divinity Verethragna, who is the hypostasis of "victory", and "as a giver of victory Verethragna plainly enjoyed the greatest popularity of old." In Zoroastrian Middle Persian, Verethragna became 𐭥𐭫𐭧𐭫𐭠𐭭 Warahrām, from which Vahram, Vehram, Bahram, Behram and other variants derive. The word has a cognate in Vedic Sanskrit.
Achaemenid Empire
The Achaemenid Empire or Achaemenian Empire (əˈkiːmənᵻd; 𐎧𐏁𐏂, Xšāça, ) was the ancient Iranian empire founded by Cyrus the Great of the Achaemenid dynasty in 550 BC, also known as the First Persian Empire. Based in Western Asia, it was the largest empire the world had ever seen at its time, spanning a total of from the Balkans and Egypt in the west to Central Asia and the Indus Valley in the east. Around the 7th century BC, the region of Persis in the southwestern portion of the Iranian plateau was settled by the Persians.