Answer: medes

AnswerCrossword Clue
MEDESAncient lawmakers
MEDESAncient people
MEDESPersians' friends
MEDESIranians' ancestors
MEDESNatives of Ecbatana
MEDESAncient Persians' associates
MEDESAncient dwellers in Ecbatana
MEDESKing Cyaxares' subjects
MEDESPersians' foes: 550 B.C.
MEDESKing Cyaxares's people
MEDESTheir ancient land is now NW Iran
MEDESRivals of Persians
MEDESCyaxares' subjects
MEDESPersians' ancient neighbors
MEDESOld Persians
MEDESPersians' contemporaries
MEDESSubjects of Astyages
MEDESSome ancient Iranians
MEDESNatives of Ecbatana, e.g.
MEDESFoes of the Assyrians
MEDESIranians of old
MEDESIron Age people
MEDESPersians of yore
MEDESEcbatana natives
MEDESMembers of an ancient Iranian people
MEDESAncient Middle Easterners
MEDESCyrus the Great defeated them
MEDESLaw of the ... and Persians.
MEDESSubjects of Darius
MEDESEarly Persians
MEDESAncient Iranians
MEDESAncient Caspian Sea natives
MEDESThe Persians conquered them under Cyrus the Great
MEDESPeople of ancient Iran
MEDESInhabitants of old Persia
MEDESAncient Persians
MEDESPersians
MEDESAncient Asians
MEDESPersians of old
MEDESConquerors of Babylon.