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Aeshma (Aēšma) is the Younger Avestan name of Zoroastrianism's demon of "wrath." As a hypostatic entity, Aeshma is variously interpreted as "wrath," "rage," and "fury." His standard epithet is "of the bloody mace."
Tri-syllabic aeshma is already attested in Gathic Avestan as aeshema (aēšəma), though not yet—at that early stage—as an entity. The word has an Indo-Iranian root, descendant of the Proto-Indo-European root *eis, making it cognate with the Latin ira. In the Zoroastrian texts of the 9th–12th centuries, aeshma appears as Middle Persian eshm or kheshm, continuing in Pazend and New Persian as kashm. Judaism's Asmodai (Talmudic ʼšmdʼy, Book of Tobit asmodios) derives from Avestan aeshma.daeva. The Georgian language word for devil—eshmaki—likewise derives from aeshma.
In the hierarchy of Zoroastrian demons (daevas) that mirrors a similar hierarchy of divinities, Aeshma is opposed to Asha Vahishta, the Amesha Spenta that is the hypostasis of "Truth." This opposition also reflects Aeshma's position as messenger of Angra Mainyu (Yasht 19.46), for in the hierarchy of divinities, Asha is the messenger of Spenta Mainyu, the instrument through which Ahura Mazda's realized ("created by His thought") creation.
The demon's chief adversary however is Sraosha "Obedience", the principle of religious devotion and discipline. The opposition between religious obedience and distraction from it is also expressed in the Yasna 10.8's portrayal of Aeshma as the metaphysical endangerment of the Good Religion. Aeshma distracts from proper worship, distorting "the intention and meaning of sacrifice through brutality against cattle and violence in war and drunkenness." (Yasna 10.8, Yasht 17.5)
According to Yasht 11.15, Ahura Mazda created Sraosha to counter the demon's mischief, and in Yasna 57.25, Sraosha protects the faithful from the fiend's assault. At the renovation of the world, Sraosha overthrow Aeshma, who will flee before the saoshyant (Yasht 19.95), but in the present the fiend flees before Mithra (Yasna 57.10; Yasht 10.97).
The demon's opposition to Sraosha is also reflected in their respective standard epithets. While Aeshma's is xrvi.dru- "of the bloody mace" (e.g. Yasna 10.8, Yasht 11.15), Sraosha's is darshi.dru- "of the strong (Ahuric) mace." Aeshma's other epithet's include "ill-fated" (Yasht 10.95) "malignant" (Yasna 57.25, Yasht 10.97), "possessing falsehood" (drvant-, Yasht 10.93). In Yasht 19.97, the demon has the epithet "having his body forfeited," but what is meant by this is uncertain.
Aeshma can be driven away by the recitation of a prayer. (Vendidad 11.9)
In tradition and folklore
In the Zoroastrian texts of the 9th–12th centuries, the function of battling Aeshma is also ascribed to Mithra (Zand-i Wahman yasn 7.34), and Denkard 3.116 places him in opposition to Vohu Manah. The demon is made commander by Angra Mainyu (Zatspram 34.32) and although he is closely related to Az, the demon of "avarice", Az will eventually swallow him up. The opposition to Sraosha is continued into the later tradition.
In the even later Rivayats (epistles), a Yasna ceremony that is not properly executed is said to have been done as if the ceremony were for Aeshma.
- Asmussen, Jes Peter (1983), "Aēšma", Encyclopaedia Iranica 1, New York: Routledge & Kegan Paul, pp. 479–480.
- Dhalla, Maneckji N. (1938), History of Zoroastrianism, New York: OUP.
- Russell, James (2001), "God Is Good: On Tobit and Iran", Iran and the Caucasus, vol. 5, pp. 1–6.