Final answer:
The 'Digambara' sect in Jainism is called 'sky-clad' because its monks do not wear clothing, symbolizing the renunciation of worldly possessions and adherence to a life of asceticism.
Step-by-step explanation:
The name of the conservative Digambara sect means "sky-clad," because the members practice their faith without the use of any clothing. This is a distinguishing practice of the Digambara tradition within Jainism, one of the ancient Indian religious belief systems, that signifies their adherence to asceticism. The term Digambara is derived from the Sanskrit words 'diga' (directions or space) and 'ambara' (clothes), indicating a renunciation of worldly possessions, symbolized by the absence of clothing.
The Digambara Jains hold that this practice stems from the belief that possessions, including clothes, can be obstacles on the path to spiritual liberation. Monks in the Digambara sect live a life of austerity and strict adherence to this principle, which is meant to symbolize their complete detachment from material and social expectations.