Manthra (Zoroastrianism)

A manthra or mantra (Avestan: 𐬨𐬄𐬚𐬭𐬀, mąθra) is a prayer, sacred formula or inspired utterance considered in Zoroastrianism to have spiritual power.

[3] Both Avestan 𐬨𐬄𐬚𐬭𐬀 (mąθra) and Vedic मन्त्र (mántra) go back to a common, Proto-Indo-Iranian *mantram, which in turn is derived from the reconstructed Proto-Indo-European verb *men (to think) and the instrumental suffix *-trom.

[9] Yet this is not universally applied, and others translate Avestan mąθra using generic terms like holy spell,[10] religious utterance[3] or formula.

50.5-50.6) his function as a prophet of Ahura Mazda explicitly as a knower of manthras (Avestan: mąθran; Sanskrit: mántrin).

[13] Yet the most praise is reserved for the Ahuna Vairya, the Ashem Vohu, the Yenghe hatam, and the Airyaman ishya, which are considered the most important manthras in Zoroastrianism.

[21] Mantras during the Proto-Indo-Iranian period may, therefore, have represented the power of speech in "creating, conveying, concentrating and realizing intentional and efficient thought [to] identifying oneself with the essence of the divinity[.