In the Great Desert to the East lay the great city of D'eshkar, old and enigmatic to even the most learned of scholars, a place of magic and wonder. For centuries it stood alone in its isolation, the only refuge in the midst of the Desert and so a stopping place on the trading route between the cities on either side of the waste. It also had a darker distinction, for it was here that a great library of forbidden lore was built, and that mages the world over came to consult in their time of need. It was this library that gave the inhabitants much chagrin, and so the city its name.

For the mages when they came did not travel by ordinary means. Not for them the long tedious trek through the parched sands.They were, after all, mages. They arrived by more arcane means. Dragons... Whirlwinds... Wyrms... Demons... Elementals... Chariots of Fire... all sorts of dramatic and cataclysmic entrances. And if they happened to speak to any of the survivors in the immediate vicinity of their spectacular entrance, more often than not the locals' first words of greeting were "D'eshkar!"

Thus it was that the city became known to the outside world as D'eshkar. Only a few ever came to know the greeting was not a name but a comment.
Well, if a mage had just flattened your house, wouldn't you think he was a "pain in the arse" ?