Zend :: Zend (n.) Properly, the translation and exposition in the Huzv/resh, or literary Pehlevi, language, of the Avesta, the Zoroastrian sacred writings; as commonly used, the language (an ancient Persian dialect) in which the Avesta is written..
Zend-avesta :: Zend-Avesta (n.) The sacred writings of the ancient Persian religion, attributed to Zoroaster, but chiefly of a later date..
Zendik :: Zendik (n.) An atheist or unbeliever; -- name given in the East to those charged with disbelief of any revealed religion, or accused of magical heresies..