स्नात्वानुसवनं तस्मिन्हुत्वा चाग्नीन्यथाविधि ।
अब्भक्ष उपशान्तात्मा स आस्ते विगतैषणः ॥५३॥

snātvānusavanaṁ tasmin
hutvā cāgnīn yathā-vidhi
ab-bhakṣa upaśāntātmā
sa āste vigataiṣaṇaḥ


Text

At that place Dhṛtarāṣtṛa, bathing three times a day, performing sacrifice according to scriptural rules, drinking only water as food, controlling the mind, ridding himself of material desires, perfecting sitting postures and breathing, withdrawing the six senses, has destroyed the contamination of sattva, rajas and tamas by meditation on the Lord.

Purport

The process of astanga-yoga that he performed is described in four verses. The niyamas are bathing, sacrifice and taking water as food. The yamas are calming the mind (upasantatma) and destroying attachments (vigataisanah). Asana, pranayama and pratyahara are described in the third line. Dharana and dhyana are described in the last line.