Avestan

a.

1.

Of or pertaining to the Avesta or the language of the Avesta.

Noun	1.	Avestan - an ancient Iranian language Synonyms: Zend
	2.	Avestan - the script in which the ancient Persian language of the Avesta is written
Adj.	1.	Avestan - of or pertaining to the Avesta (sacred text of Zoroastrianism)

Avesta, Mazdaism, Zend-Avesta, Zoroastrianism