Aṣṭānga-yoga—(aṣṭa=eight + aṅga=part) a mystic yoga system propounded by Patañjali in his Yoga-sūtras and consisting of eight parts-yama, niyama, āsana, prāṇāyāma, pratyāhāra, dhāraṇā, dhyāna and samādhi, progressing from moral practices to deep meditation on God.

Astanga-yoga-(asta=eight + aṅga=part) a mystic yoga system propounded by Patanjali in his Yoga-sutras and consisting of eight parts-yama, niyama, asana, pranayama, pratyahara, dharana, dhyana and samadhi, progressing from moral practices to deep meditation on God.
 

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