Bible Dictionaries
Avestan

Webster's Dictionary

(1):

(a.) Of or pertaining to the Avesta or the language of the Avesta.

(2):

(n.) The language of the Avesta; - less properly called Zend.

Bibliography Information
Webster, Noah. Entry for 'Avestan'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​a/avestan.html. 1828.