Yama (yama): Restraint, the First Limb, and Its Five Practices

Derivation

Yama comes from a root meaning "to restrain, check or control". The same word, capitalised as a proper name, denotes Yama, the god associated with death and the restraint or ending of life — a related but distinct concept from the ethical "restraint" of the eight-limbed path, and worth distinguishing so the two are not confused when the word appears in different contexts.

The five yamas of the Yoga Sutras

Patanjali's Yoga Sutras name the yamas as the first of the eight limbs (ashtanga). Sutra 2.30 lists five: ahimsa (non-harming, non-violence), satya (truthfulness), asteya (non-stealing), brahmacharya (traditionally rendered as celibacy or continence, and interpreted by various commentators more broadly as the right and non-dissipating use of one's vital energy), and aparigraha (non-possessiveness, non-grasping, non-hoarding).

Sutra 2.31 makes an unusually strong claim about their status: it calls them mahavratam, "the great vow", and states that they hold universally — jāti-deśa-kāla-samayānavacchinnāḥ — "unconditioned by birth, place, time or circumstance." This is a notable claim within the text: unlike some other elements of practice that are described as suited to particular capacities or stages, the yamas are presented as a single, unconditional ethical ground applying regardless of who is practising or in what setting.

Where yama sits in the sequence, and why that matters

Yama is the first of the eight limbs, followed by niyama (observances), then asana, pranayama, pratyahara, dharana, dhyana and samadhi. The ordering is not incidental to how the text presents the path: ethical restraint comes before the body is addressed at all. This is one of the clearest places where classical yoga and a purely physical, posture-centred modern class differ in emphasis — the text does not describe asana as a self-sufficient practice separable from the ethical foundation that, in its own sequence, precedes it. A modern class that teaches only posture is not wrong to do so as a form of exercise, but it is teaching something narrower than what the Yoga Sutras describe as "yoga."

Modern usage

Contemporary yoga teaching engages with the yamas unevenly: some teacher-training programmes and dedicated study groups treat them seriously and at length; a typical drop-in posture class may reference them only briefly if at all. Ahimsa in particular has become widely cited in popular yoga culture, sometimes stretched to justify a specific diet or lifestyle choice as "the" yogic position — a use worth treating cautiously, since the source text states the principle generally and does not itself legislate a single detailed lifestyle code from it.

Common misunderstandings

A frequent error is assuming the yamas are optional "add-ons" to physical yoga rather than, in the text's own sequence and its own explicit language ("great vow", "unconditioned"), the foundation the rest of the path builds upon. Another is translating brahmacharya narrowly and only as celibacy in every context; commentators across the tradition have read it more broadly as well, as disciplined, non-dissipating use of one's energies, and both readings appear in serious scholarship. A third is treating the five yamas as an exhaustive ethical system covering every modern moral question; the text states five specific restraints and does not attempt a comprehensive ethics beyond them.

Where this is practised on the site

The practices library sets yama and niyama alongside the physical limbs within the fuller eight-limbed structure. The texts section works through the Yoga Sutras chapter by chapter, including 2.30–2.34 in full context.