Yama refers to the five ethical restraints or moral disciplines that form the first of the eight limbs (ashtanga) of yoga as codified by Patanjali in the Yoga Sutras. Rather than physical techniques, the yamas are guidelines for how a practitioner relates to the external world and to other beings. They are traditionally understood as the foundation upon which the entire edifice of yoga practice is built: without a grounding in ethical conduct, the more internal and subtle limbs of the path — concentration, meditation, and absorption — lack a stable basis from which to develop.
Etymology
The word yama derives from the Sanskrit root “yam” (यम्), meaning “to restrain,” “to control,” or “to hold back.” As a noun, yama denotes restraint, discipline, or curbing. The same root is associated with Yama, the deity of death and moral order in Hindu mythology, reflecting the term’s deeper association with limits, boundaries, and the natural order that governs both ethical and cosmic life.
The Five Yamas
Patanjali enumerates five yamas in the Yoga Sutras (II.30): Ahimsa (non-violence or non-harming), Satya (truthfulness), Asteya (non-stealing), Brahmacharya (moderation, often translated as celibacy or right use of energy), and Aparigraha (non-possessiveness or non-greed). Patanjali describes these five as a “great vow” (mahavrata) that is universal, unbounded by class, place, time, or circumstance — distinguishing them from conditional social or religious rules that vary by context.
Position in the Eight Limbs
Yama is the first of the eight limbs of Patanjali’s system, preceding niyama (personal observances), asana (posture), pranayama (breath control), pratyahara (withdrawal of the senses), dharana (concentration), dhyana (meditation), and samadhi (absorption). Because it stands first, the yamas are often described as the ethical groundwork of the entire path — the practitioner’s outward conduct toward others, addressed before any inward-facing practice begins.
How the Yamas Are Practiced
Unlike asana or pranayama, the yamas are not techniques performed on a mat but disciplines applied continuously, in daily interactions, speech, and intention. A practitioner works with the yamas by observing where their conduct falls short of these ideals — moments of harshness, dishonesty, or excess — and consciously choosing restraint. Many teachers frame the yamas not as rigid rules to be obeyed but as a mirror for self-examination, revealing habitual patterns that limit clarity and connection.
The Yamas in Modern Yoga
In contemporary yoga culture, the yamas are frequently underemphasized relative to asana, despite their foundational position in the classical system. Some modern teachers and lineages have revived attention to the yamas as an entry point into yoga philosophy, framing them as a practical ethical framework applicable well beyond the context of formal practice — in relationships, work, and community life.
Common Misconceptions
A common misconception is that the yamas are religious commandments specific to Hinduism. While they emerge from a Hindu philosophical context, Patanjali presents them as universal ethical principles, not tied to any particular deity or creed, and comparable restraints appear across many of the world’s spiritual and philosophical traditions.
Another misconception is that yoga practice consists primarily of asana, with the yamas treated as optional or peripheral. In Patanjali’s original framework, the yamas are foundational rather than optional — listed first among the eight limbs, and traditionally considered a prerequisite for stable progress through the more advanced, internal stages of the path.