AzerbaijanyoudaoicibaDictYouDict[Azerbaijan 词源字典]
country name, of unknown origin, perhaps from Old Persian Aturpatakan, from Greek Atropatene, from the Persian satrap Atropates, who ruled there in the time of Alexander the Great; or from local azer "fire" + baydjan (Iranian baykan) "guardian," in reference to fire-worship.[Azerbaijan etymology, Azerbaijan origin, 英语词源]