कोशkośa · sheath, casing
The five koshas, from the Taittirīya Upaniṣad
4 min read · Updated October 17, 2026 · sources checked October 17, 2026
In short
The five koshas are the layers of the person described in the Taittirīya Upaniṣad (2.1-2.5): the self made of food (annamaya), of breath (prāṇamaya), of mind (manomaya), of understanding (vijñānamaya) and of bliss (ānandamaya), each one inside and filling the previous. The Upanishad says '-maya', made of; the word kośa, sheath, comes from later Vedānta commentators such as Śaṅkara.
Where the five layers come from
The Taittirīya Upaniṣad belongs to the Black Yajurveda and has three sections. In the second, the Brahmānanda Vallī, a teacher describes the human person as a series of selves, one inside the other, each one "filling" the previous (Śaṅkara's commentary compares it to air filling a leather bag). It starts with the most obvious:
स वा एष पुरुषोऽन्नरसमयः ॥ sa vā eṣa puruṣo 'nnarasamayaḥ · "This person, truly, is made of the essence of food." (Taittirīya Upaniṣad 2.1 · our translation)
Then, layer after layer, the same formula returns:
तस्माद्वा एतस्मादन्नरसमयात् । अन्योऽन्तर आत्मा प्राणमयः । तेनैष पूर्णः ॥
tasmād vā etasmād annarasamayāt | anyo 'ntara ātmā prāṇamayaḥ | tenaiṣa pūrṇaḥ ||
Other than this one made of the essence of food, and within it, is a self made of breath. By it this one is filled.
The five selves
| Layer | Sanskrit | Made of | What it covers, in practice |
|---|---|---|---|
| 1 | annamaya | food | the physical body, which food builds and to which it returns |
| 2 | prāṇamaya | breath | the vital breaths, the life that animates the body |
| 3 | manomaya | mind | the thinking, feeling, perceiving mind |
| 4 | vijñānamaya | understanding | discernment, the faculty that decides and knows |
| 5 | ānandamaya | bliss | the deepest layer: joy, delight, peace |
The strangest detail: each self has a body like a bird
The Upanishad gives every layer a head, a right side, a left side (pakṣa, literally a wing), a trunk (ātman) and a tail or base (puccha). For the self made of breath, the head is prāṇa, the right side vyāna, the left side apāna, the trunk is space and the base is the earth (2.2). For the self made of mind, the head is the Yajurveda, the sides the Ṛgveda and the Sāmaveda (2.3).
The fourth layer is the one every yogi should read twice:
तस्य श्रद्धैव शिरः । ऋतं दक्षिणः पक्षः । सत्यमुत्तरः पक्षः । योग आत्मा । महः पुच्छं प्रतिष्ठा ॥ tasya śraddhaiva śiraḥ | ṛtaṃ dakṣiṇaḥ pakṣaḥ | satyam uttaraḥ pakṣaḥ | yoga ātmā | mahaḥ pucchaṃ pratiṣṭhā · "Of it, faith is the head, right order the right side, truth the left side, yoga the body, the great one the base on which it stands." (Taittirīya Upaniṣad 2.4 · our translation)
In the self made of understanding, the body itself is yoga. It is one of the earliest uses of the word in an inner sense. And for the self made of bliss, the head is "the dear", the sides delight and great delight, the body bliss, and the base is brahman (2.5).
Where the word kośa comes from
You will not find the word कोश (kośa) in these verses. The Upanishad speaks only of selves "made of" (-maya) food, breath, mind, understanding and bliss. Kośa means a casing, a container, a sheath: the Monier-Williams dictionary lists "a cask, vessel for holding liquids", a box, a sheath. The term pañca-kośa, "five sheaths", comes from later Vedānta: the commentary on the Taittirīya attributed to Śaṅkara already speaks of removing "the five sheaths" created by ignorance, like husking grain to reach the rice inside. Later texts such as the Pañcadaśī made it standard.
The two readings differ in one important way. In the Upanishad, the bliss self rests on brahman, its "tail and base". In the Vedānta reading, all five, bliss included, are coverings; the Self is what remains when they are seen through.
Bhṛgu's discovery
The third section of the Upanishad turns the five layers into a spiritual journey. The young Bhṛgu asks his father Varuṇa to teach him brahman. Varuṇa sends him back to practise and inquire. Bhṛgu returns having understood that brahman is food; sent back again, that it is breath, then mind, then understanding, until at last "he understood that brahman is bliss" (ānando brahmeti vyajānāt, 3.6). The same five layers, discovered one by one from within.
The koshas in yoga practice
Modern teachers often use the koshas as a map of a whole practice: postures for the body, pranayama for the breath, mantra and study for the mind, discernment and meditation for understanding, and the stillness at the end for bliss. That correspondence is a modern teaching device, not a scheme found in the Upanishad, but it is a faithful use of it.
Steps: a meditation through the five layers
- Sit upright, eyes closed. Take three slow breaths.
- Food (annamaya). Feel the body as a whole: its weight, its contact with the ground, its warmth. Two minutes.
- Breath (prāṇamaya). Let the attention move to the breath, the movement of the belly and ribs, the air at the nostrils. Two minutes, without changing it.
- Mind (manomaya). Notice the activity of the mind: thoughts, images, moods, as they pass. Do not follow them. Two minutes.
- Understanding (vijñānamaya). Notice that something knows all this: the witness that observes body, breath and thoughts. Rest there. Two minutes.
- Bliss (ānandamaya). Let go of every effort and rest in whatever quiet remains. Two minutes or more.
- Return through the layers: thoughts, breath, body. Open the eyes.
| Period | Length | Note |
|---|---|---|
| Week 1 | 10 minutes | two minutes per layer |
| Weeks 2-4 | 15-20 minutes | linger on the layer that feels most alive |
| Later | as part of your sitting | sometimes simply rest in the fifth |
What research shows
The koshas are a description from a sacred text, not a measurable structure, so there is nothing for research to confirm or refute. We make no health claim for this meditation; its value lies in the attention it trains.
Common mistakes
- Treating the koshas as physical layers you could locate like organs.
- Mixing the maps: the koshas, the chakras and the nāḍīs come from different texts and periods.
- Rushing to the bliss layer. The Upanishad climbs one step at a time, and so did Bhṛgu.
- Thinking the body is "lower" and to be despised. The Upanishad calls food brahman too (3.2).
In context
The self made of breath is explored on the prana page, the channels on nadis, and the very different map of the centres on chakras. The withdrawal that leads inward through these layers is pratyahara; the Upanishads themselves are introduced on the Upanishads.
Questions people ask
What are the 5 koshas in order?
From the outermost to the innermost: annamaya (made of food, the body), prāṇamaya (made of breath), manomaya (made of mind), vijñānamaya (made of understanding) and ānandamaya (made of bliss).
Where do the koshas come from?
From the second section of the Taittirīya Upaniṣad (2.1-2.5), part of the Black Yajurveda. The Upanishad speaks of selves 'made of' each layer; the name pañca-kośa, five sheaths, was given by later Vedānta, notably in the commentary attributed to Śaṅkara.
Are the koshas the same as the chakras?
No. The koshas are concentric layers of the whole person, from body to bliss, in a Vedic Upanishad. The chakras are centres along the central channel in later tantric and hatha texts. They are two different maps.
What is the deepest kosha?
The ānandamaya, made of bliss. In the Upanishad its base is brahman. In the later Vedānta reading, even the bliss sheath is still a covering, and the Self is beyond all five.
Sources
- Taittirīya Upaniṣad with Śaṅkara's commentary, Sanskrit text, 2.1-2.5 and 3.1-3.6 (GRETIL, University of Göttingen) checked October 17, 2026
- Monier-Williams, Sanskrit-English Dictionary (1899), entry kośa, Cologne Digital Sanskrit Dictionaries checked October 17, 2026
- Patañjali, Yogasūtra, Sanskrit text (GRETIL, University of Göttingen) checked October 17, 2026