Taijas Sharir (tejā-sharir) is a concept found in Jain philosophy describing a subtle, luminous aspect of the being. In Jain thought, the jiva (soul) is covered by different sheaths or layers of energy and perception. The Taijas Sharir is considered the luminous or radiant part of these subtle dimensions, closely related to prana/teja (vital-fire) energy that supports inner perception and consciousness.

Key points, in simple terms:

• It is a subtle, non-physical layer, not a physical organ. It is tied to the energetic aspect of the soul rather than to the body you can touch.
• It is described as part of the jiva’s inner constitution, helping with perception of subtle realities and experiences beyond ordinary sense organs.
• In Jain literature, there are distinctions about how many such sheaths exist and how they interact with karma, perception, and liberation. These descriptions can vary between Digambar and Shwetambar traditions, and different Jain texts emphasize different aspects.
• Taijas Sharir is not taught like the modern Hindu chakra system. Jain cosmology emphasizes the soul’s karmic overlay and its shedding through right conduct, penance, and knowledge, rather than a system of energy centers mapped to the body.

If you want, I can provide:

• A concise, tradition-specific explanation (Digambar vs. Shwetambar) with the precise passages you’re studying.
• A brief outline of how Taijas Sharir fits into the Jain path to liberation (samyak gyan, dāna, tapas, etc.).
• A simple comparison with related Jain concepts (like the other subtle sheaths and how karma affects them).

Note: I’ll keep the explanations aligned with traditional Jain understanding and avoid mixing in non-Jain theories. If you have a specific text or verse in mind, tell me the reference and I’ll explain its artha (meaning) in the appropriate Digambar/Shwetambar context.