Webster's 1913 Dictionary
ZEND-AVESTA
Zend `-A *ves "ta, n. Etym: [Properly, the Avesta, or sacred text, and its zend, or interpretation, in a more modern and intelligible language. W. D. Whitney.]
Defn: The sacred writings of the ancient Persian religion, attributed to Zoroaster, but chiefly of a later date.
New American Oxford Dictionary
Zend-Avesta
Zend-A ves ta ▶noun the Zoroastrian sacred writings, comprising the Avesta (the text ) and Zend (the commentary ).
Oxford Dictionary
Zend-Avesta
Zend-Avesta |zɛndəˈvɛstə | ▶noun the Zoroastrian sacred writings, comprising the Avesta (the text ) and Zend (the commentary ).
The Wordsmith Dictionary