avesta(n = noun.communication) zend-avesta - a collection of Zoroastrian texts gathered during the 4th or 6th centuries;
is a kind of religious text, religious writing, sacred text, sacred writing
Derived form adjective avestan₁

   The Zoroastrian scriptures; the sacred text of Zoroastrianism. See Zend-Avesta. [1913 Webster]

avesta, n. (usu. prec. by the) the sacred writings of Zoroastrianism (cf. ZEND).

Etymology:
Pers.

N  pseudo-revelation, the Koran, the Alcoran, Lyking, Vedas, Zendavesta, Avesta, Sastra, Shastra, Tantra, Upanishads, Purana, Edda, Book of Mormon, Gautama, Buddha, Zoroaster, Confucius, Bab-ed-Din, Mohammed, golden calf, Baal, Moloch, Dagon.