Language

Avestan

Sacred & Content Languages

Avestan is the ancient Iranian language of the Avesta, the core scriptural collection of Zoroastrianism, and it survives today almost entirely through that religious transmission rather than through any wider secular literature. The atlas lists its two internally recognized stages, Old Avestan and Younger Avestan, as separate entries, reflecting a documented linguistic gap between the earliest and later portions of the Avestan corpus. Avestan liturgical recitation remains part of living Zoroastrian priestly practice today, chanted by Zoroastrian communities in Iran and the Parsi community of India. The atlas holds Avestan as the umbrella source language behind the Zoroastrian scriptural material it catalogs.

Facts

Liturgical role (class)

Sacred classical language 2

Liturgical role (class)

Scriptural language 2

Disputed

Place of Origin

Avestan is the language of the Zoroastrian scripture the Avesta, securely placed in the eastern Iranian world, though its precise homeland within that region is not agreed. 4The Avesta

Avestan is the language of the Zoroastrian scripture the Avesta, securely placed in the eastern Iranian world, but scholars have not agreed on a single homeland within that region: Bactria, Chorasmia, Sistan and other eastern Iranian territories have all been proposed as the language's actual place of origin.

Origins

Language Family

Indo-Iranian branch of the Indo-European family, closely related to Vedic Sanskrit; exists in Old Avestan (the Gathas) and Younger Avestan historical layers. 2

Attestation

Era of Attestation

The Gathas, the oldest layer of the Avesta attributed to Zoroaster himself, are traditionally dated by most scholars to the second millennium BCE, though they were fixed in writing only under the Sasanians, in the mid-first millennium CE. 3

Identity

Native Script

The Avestan alphabet, devised in the Sasanian period from the Pahlavi script and unusually precise in its vowels, so that a text carried orally for centuries could be written down as it was recited. 1

Practice

Liturgical and Scriptural Role

The sacred language of the Avesta, Zoroastrianism's core scripture, including the Gathas attributed to Zoroaster; still recited liturgically by mobed priests among Zoroastrian and Parsi communities today. 4

Learn More

Avestan: The Sacred Language of Zoroastrianism

Avestan is the ancient Iranian language in which the Avesta, Zoroastrianism's core scripture, was composed, belonging to the Indo-Iranian branch of the Indo-European family and standing in a close grammatical relationship to Vedic Sanskrit that historical linguists treat as one of the clearest surviving demonstrations of a shared Indo-Iranian ancestor language, given the two languages' strikingly similar meter, vocabulary and specific ritual terminology despite their geographic separation between ancient Iran and India.

Avestan exists in two distinguishable historical layers, Old Avestan, the more archaic form associated with the Gathas traditionally attributed to Zoroaster himself, and Younger Avestan, a somewhat later form in which the bulk of the remaining Avesta was composed, and Avestan as a spoken vernacular disappeared entirely in antiquity, surviving only as a fixed liturgical language preserved through oral priestly transmission for many centuries before eventually being written down using an adapted Middle Persian script developed specifically for accurate Avestan recitation. Avestan's script itself, adapted specifically from a Middle Persian writing system and expanded with additional characters to capture Avestan's distinct sounds precisely, was developed relatively late, likely under the Sasanian Empire, specifically to fix correct pronunciation for a liturgical tradition that had already been recited orally for well over a millennium by that point.

Preserving the Gathas Through Priestly Oral Transmission

The Avesta's oldest portion, the Gathas, seventeen hymns traditionally attributed directly to the prophet Zoroaster himself and composed in the more archaic Old Avestan register, were preserved through a specialized priestly oral tradition for well over a thousand years before being committed to writing, comparable in its precision and religious motivation to the Vedic Sanskrit recitation tradition preserving the Rigveda across a similarly vast span of time without writing. Zoroastrian priests, mobeds, continue to recite Avestan liturgical texts today in Zoroastrian communities in Iran and among the Parsi community of India, descended from Zoroastrians who fled Iran following the seventh-century Muslim conquest, even though almost no modern practitioner speaks Avestan as anything but a memorized liturgical register entirely separate from everyday Persian or Gujarati speech.

The Bundahishn, a later Zoroastrian cosmological text, was composed not in Avestan itself but in Middle Persian, drawing on and interpreting older Avestan material, illustrating how Avestan's own scriptural authority persisted even as the practical theological and interpretive work increasingly moved into more recent Iranian languages that later generations of priests and scholars could actually read fluently.

Connections

Associated With

Zoroastrianism

Avestan is the sacred language of the Avesta, Zoroastrianism's scripture, preserved liturgically long after it ceased to be spoken.

Source A History of ZoroastrianismMary Boyce

Attested in Region

Persia

Avestan is documented in use as a written language in Persia. The claim is where the language is documented in use as a written, literary or liturgical language. It is not a claim about the full extent of its speakers, and it is not a claim about where the language originated.

Source The World's Writing SystemsPeter T. Daniels and William Bright (eds.)

Language Of

Airyaman Ishya

Entity-backed identity for the language enum value this record already carries, resolved to the live divinity language entity that value names, per the phase 3 entity-backed browse bucket conversion (docs\design_entity_backed_browse_buckets_20260928.md, owner decisions 2026-09-28, w-bucketconv-divlang2-0929, mapping corrected). The language fact itself, with its own citation, stays on the record unchanged; this relationship only adds the durable entity identity the value already names.

Ashem Vohu

Entity-backed identity for the language enum value this record already carries, resolved to the live divinity language entity that value names, per the phase 3 entity-backed browse bucket conversion (docs\design_entity_backed_browse_buckets_20260928.md, owner decisions 2026-09-28, w-bucketconv-divlang2-0929). The language fact itself, with its own citation, stays on the record unchanged; this relationship only adds the durable entity identity the value already names.

Avesta

Gathas

Humata, Hukhta, Huvarshta (Good Thoughts, Good Words, Good Deeds)

Entity-backed identity for the language enum value this record already carries, resolved to the live divinity language entity that value names, per the phase 3 entity-backed browse bucket conversion (docs\design_entity_backed_browse_buckets_20260928.md, owner decisions 2026-09-28, w-bucketconv-divlang2-0929). The language fact itself, with its own citation, stays on the record unchanged; this relationship only adds the durable entity identity the value already names.

Kem Na Mazda

Khordeh Avesta

The House of Song

The Warrior's Invocation of Verethragna

Vendidad

Visperad

Yashts

Yasna

Yatha Ahu Vairyo

Entity-backed identity for the language enum value this record already carries, resolved to the live divinity language entity that value names, per the phase 3 entity-backed browse bucket conversion (docs\design_entity_backed_browse_buckets_20260928.md, owner decisions 2026-09-28, w-bucketconv-divlang2-0929). The language fact itself, with its own citation, stays on the record unchanged; this relationship only adds the durable entity identity the value already names.

Yenghe Hatam

Entity-backed identity for the language enum value this record already carries, resolved to the live divinity language entity that value names, per the phase 3 entity-backed browse bucket conversion (docs\design_entity_backed_browse_buckets_20260928.md, owner decisions 2026-09-28, w-bucketconv-divlang2-0929). The language fact itself, with its own citation, stays on the record unchanged; this relationship only adds the durable entity identity the value already names.

Liturgical Language Of

Irani Zoroastrianism

Parsi Zoroastrianism

Named or Composed in This Language

Airyaman Ishya

The prayer is transmitted in Avestan.

Ashem Vohu

The prayer is transmitted in Avestan.

Humata, Hukhta, Huvarshta (Good Thoughts, Good Words, Good Deeds)

Source The Hymns of ZoroasterM. L. West

Irani Zoroastrianism

Source A History of ZoroastrianismMary Boyce

Kem Na Mazda

The prayer is transmitted in Avestan.

Khordeh Avesta

Source Zoroastrians: Their Religious Beliefs and PracticesMary Boyce

Khordeh Avesta

Source Khordeh Avesta (Wikipedia)

Navjote

Source Encyclopedia of ReligionMircea Eliade (ed.); Lindsay Jones (ed., 2nd ed.)

The House of Song

Source Encyclopedia of ReligionMircea Eliade (ed.); Lindsay Jones (ed., 2nd ed.)

The Warrior's Invocation of Verethragna

Source The AvestaAnonymous (Zoroastrian tradition)

Vendidad

Source Textual Sources for the Study of ZoroastrianismMary Boyce (ed. and trans.)

Vendidad

Source Vendidad (Wikipedia)

Vendidad Service

Source The Zend-Avesta, Part III: the Yasna, Visparad, Afrinagan, Gahs (Sacred Books of the East, vol. 31)L. H. Mills

Visperad

Source Textual Sources for the Study of ZoroastrianismMary Boyce (ed. and trans.)

Visperad

Source The Zend-Avesta, Part III: the Yasna, Visparad, Afrinagan, Gahs (Sacred Books of the East, vol. 31)L. H. Mills

Yashts

Source Textual Sources for the Study of ZoroastrianismMary Boyce (ed. and trans.)

Yasna

Source Textual Sources for the Study of ZoroastrianismMary Boyce (ed. and trans.)

Yasna

Source The Zend-Avesta, Part III: the Yasna, Visparad, Afrinagan, Gahs (Sacred Books of the East, vol. 31)L. H. Mills

Yasna

Source Yasna (Wikipedia)

Yatha Ahu Vairyo

The prayer is transmitted in Avestan.

Yenghe Hatam

The prayer is transmitted in Avestan.

Related To

Proto-Indo-European

Avestan is one of its attested descendants.

Uses This Script

Avestan

Source The World's Writing SystemsPeter T. Daniels and William Bright (eds.)

In the Other Atlases

Also in Language Atlas: Indo-European, in branch there.
Also in Language Atlas: Indo-Iranian, in branch there.
Also in Language Atlas: Iranian, in branch there.

Sources

1. The World's Writing Systems

Peter T. Daniels and William Bright (eds.), Oxford University Press, 1996View the Source

2. Ethnologue: Languages of the World

David M. Eberhard, Gary F. Simons and Charles D. Fennig (eds.), SIL International, 2024on the liturgical and scriptural role of AvestanView the Source

3. A History of Zoroastrianism

Mary Boyce, Brill, 1989View the Source

4. The Avesta

Anonymous (Zoroastrian tradition)

On Avestan's eastern Iranian setting and the debated exact homeland
Named or Composed in This Language: The Warrior's Invocation of Verethragna, Stored language property on this entity, cited to this source: avestan

View the Source

Yasna (Wikipedia)

Named or Composed in This Language: Yasna, Infobox, language field

Quote, Named or Composed in This Language: Yasna, Infobox, language field

Avestan

View the Source

Vendidad (Wikipedia)

Named or Composed in This Language: Vendidad, Infobox, language field

Quote, Named or Composed in This Language: Vendidad, Infobox, language field

Avestan

View the Source

Khordeh Avesta (Wikipedia)

Named or Composed in This Language: Khordeh Avesta, Infobox, language field

Quote, Named or Composed in This Language: Khordeh Avesta, Infobox, language field

Avestan

View the Source

Encyclopedia of Religion

Mircea Eliade (ed.); Lindsay Jones (ed., 2nd ed.), Macmillan Reference, 2005Named or Composed in This Language: The House of Song, Stored language property on this entity, cited to this source: avestanView the Source

The Hymns of Zoroaster

M. L. West, I.B. Tauris, 2010Named or Composed in This Language: Humata, Hukhta, Huvarshta (Good Thoughts, Good Words, Good Deeds), Stored language property on this entity, cited to this source: avestanView the Source

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