ควากษะ

thumb|right|The earliest surviving chaitya arch, at the entrance to the Lomas Rishi Cave, 3rd century BC In Indian architecture, gavaksha or chandrashala (kudu in Tamil, also nāsī) are the terms most often used to describe the motif centred on an ogee, circular or horseshoe arch that decorates many examples of Indian rock-cut architecture and later Indian structural temples and other buildings. In its original form, the arch is shaped like the cross-section of a barrel vault. It is called a chaitya arch when used on the facade of a chaitya hall, around the single large window. In later forms i