"Qarn" (horn) also means "period" or "century", and the name Dhul Qarnayn therefore has a symbolic meaning as "He of the Two Ages", the first being the mythological time when the wall is built and the second the age of the end of the world when Allah's shariah, the divine law, is removed and Gog and Magog are to be set ...
The meaning of the name Chaman is Garden. The origin of the name Chaman is Indian.