Arshtat
Open-knowledge reference entry
Arshtat (Avestan: 𐬀𐬭𐬱𐬙𐬁𐬝) is the Avestan language name of a Zoroastrian principle and signifies either "justice" or "honesty." As a substantive, arshtat designates the divinity Arshtat, the hypostasis of "Rectitude" and "Justice". Her standing epithet is "world-furthering" or "world-promoting."
In scripture
Although there is a yasht nominally dedicated to Arshtat (Yasht 18), this hymn does not mention her, and it has been supposed that "the occurrence of arš- 'correct' may have been the reason" for the dedication.
Arshtat is closely allied with "the most upright" Rashnu, the "Judge." The two appear as a dvandva compound "Rashnu-Arshtat" in Yasna 1.7 and 2.7, in Yasht 10.139 and 12.40, and in Sirozeh 1.18 and 2.18. This is an eschatological identification, and in the liturgy recited on the third day after death she is invoked with Rashnu, Sraosha "Obedience" and Mithra "Covenant", together the three guardians of the Chinvat bridge.
In Sirozeh 1.26 and 2.26, Arshtat is invoked as the divinity presiding over the 26th day of the month (cf. Zoroastrian calendar). Both verses associate her with the mythical Mount Ushidarena the "keeper of intelligence" that in Zoroastrian tradition is where Zoroaster spent his years in isolation. Yasna 16.6 states the 26th day of the month is sacred to her.
Arshtat is once (Visperad 7.2) identified with Daena (generally translated as "Religion").
In tradition
Arshtat's eschatological role is carried forward into the 9th–14th century texts of Zoroastrian tradition, where she appears as Middle Persian Ashtad.
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