Arg or Ark, a fortress or fortified castle which was typically built inside city limits, or a larger fort erected on a promontory with the purpose of serving as a headquarters for commanders, or the dwelling-place of the king and his retinue.
Part 1: The Arg in Ancient Persia: Etymology
The term arg in Indo-European languages forms the root of such words as ‘to protect’, ‘to take sanctuary’, ‘to resist’, ‘to ward off’ and ‘barricade’ (Pokorny, 65–66). There ha…