योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-69, verse-48

एकतत्त्वघनाभ्यासाच्छान्तं शाम्यत्यलं मनः ।
तल्लीनत्वात्स्वभावस्य तेन प्राणोऽपि शाम्यति ॥ ४८ ॥

ekatattvaghanābhyāsācchāntaṃ śāmyatyalaṃ manaḥ ,
tallīnatvātsvabhāvasya tena prāṇo'pi śāmyati 48

48. ekatatvaghanābhyāsāt śāntam śāmyati alam manaḥ
tatlīnatvāt svabhāvasya tena prāṇaḥ api śāmyati

48. ekatatvaghanābhyāsāt manaḥ śāntam alam śāmyati.
tena svabhāvasya tatlīnatvāt prāṇaḥ api śāmyati.

48. Through the intense practice of a single principle (ekatattva), the mind (manas) becomes completely calm and ceases its activity. Consequently, because of the absorption of its own nature into that principle, the life-breath (prāṇa) also ceases.

Words meanings summery:

• एकतत्वघनाभ्यासात् (ekatatvaghanābhyāsāt) - from the intense practice of a single principle

• शान्तम् (śāntam) - calmed, tranquil, peaceful

• शाम्यति (śāmyati) - ceases, becomes calm, is pacified

• अलम् (alam) - completely, sufficiently, thoroughly, enough

• मनः (manaḥ) - mind, intellect

• तत्लीनत्वात् (tatlīnatvāt) - due to the mind's absorption in the single principle (ekatattva) (from the state of absorption in that, due to absorption in that)

• स्वभावस्य (svabhāvasya) - of the life-breath's (prāṇa's) own intrinsic nature (of its own nature, of its intrinsic nature)

• तेन (tena) - therefore, as a result of that (absorption of mind) (by that, therefore, by means of that)

• प्राणः (prāṇaḥ) - life-breath, vital energy

• अपि (api) - also, even, too

• शाम्यति (śāmyati) - ceases, becomes calm, is pacified

Words meanings and morphology

एकतत्वघनाभ्यासात् (ekatatvaghanābhyāsāt) - from the intense practice of a single principle

(noun)

Ablative, masculine, singular of ekatatvaghanābhyāsa

ekatatvaghanābhyāsa - intense practice of a single principle/reality

Compound 'eka' (one) + 'tattva' (principle) + 'ghana' (dense, intense) + 'abhyāsa' (practice).

Compound type : tatpuruṣa (eka+tattva+ghana+abhyāsa)

• eka – one, single
  numeral (masculine)
• tattva – principle, reality, truth, true nature
  noun (neuter)
  Derived from 'tat' (that) + 'tva' (suffix of abstract noun).
• ghana – dense, solid, intense, compact
  adjective (masculine)
• abhyāsa – practice, repetition, study, exercise
  noun (masculine)
  Derived from 'abhi' (towards) + root 'as' (to throw, to cast) with suffix 'ghañ'.
  Prefix: abhi
  Root: as (class 4)

शान्तम् (śāntam) - calmed, tranquil, peaceful

(adjective)

Nominative, neuter, singular of śānta

śānta - calm, tranquil, pacified, ceased

Past Passive Participle

Derived from root 'śam' (to be calm, to cease) with suffix 'kta'.

Root: śam (class 4)

शाम्यति (śāmyati) - ceases, becomes calm, is pacified

(verb)

3rd person , singular, active, present (lat) of śam

Root: śam (class 4)

अलम् (alam) - completely, sufficiently, thoroughly, enough

(indeclinable)

मनः (manaḥ) - mind, intellect

(noun)

Nominative, neuter, singular of manas

manas - mind, intellect, consciousness, heart

Derived from root 'man' (to think).

Root: man (class 4)

तत्लीनत्वात् (tatlīnatvāt) - due to the mind's absorption in the single principle (ekatattva) (from the state of absorption in that, due to absorption in that)

(noun)

Ablative, neuter, singular of tatlīnatva

tatlīnatva - the state of being absorbed in that

Compound 'tat' (that) + 'līnatva' (state of absorption).

Compound type : tatpuruṣa (tat+līnatva)

• tat – that, it
  pronoun (neuter)
• līnatva – state of absorption, dissolution, hiddenness
  noun (neuter)
  Derived from 'līna' (absorbed, dissolved, past participle of 'lī') + suffix 'tva'.
  Root: lī (class 4)

स्वभावस्य (svabhāvasya) - of the life-breath's (prāṇa's) own intrinsic nature (of its own nature, of its intrinsic nature)

(noun)

Genitive, masculine, singular of svabhāva

svabhāva - own nature, intrinsic nature, inherent quality, disposition

Compound 'sva' (own) + 'bhāva' (nature, being).

Compound type : tatpuruṣa (sva+bhāva)

• sva – own, self
  pronoun (masculine)
• bhāva – being, state, nature, disposition, existence
  noun (masculine)
  Derived from root 'bhū' (to be) with suffix 'ghañ'.
  Root: bhū (class 1)

तेन (tena) - therefore, as a result of that (absorption of mind) (by that, therefore, by means of that)

(pronoun)

Instrumental, neuter, singular of tad

tad - that, it

प्राणः (prāṇaḥ) - life-breath, vital energy

(noun)

Nominative, masculine, singular of prāṇa

prāṇa - life-breath, vital energy, spirit, life, respiration

Derived from 'pra' (forth) + root 'an' (to breathe).

Prefix: pra

Root: an (class 2)

अपि (api) - also, even, too

(indeclinable)

शाम्यति (śāmyati) - ceases, becomes calm, is pacified

(verb)

3rd person , singular, active, present (lat) of śam

Root: śam (class 4)