योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-78, verse-15

चित्तं प्राणपरिस्पन्दमाहुरागमभूषणाः ।
तस्मिन्संरोधिते नूनमुपशान्तं भवेन्मनः ॥ १५ ॥

cittaṃ prāṇaparispandamāhurāgamabhūṣaṇāḥ ,
tasminsaṃrodhite nūnamupaśāntaṃ bhavenmanaḥ 15

15. cittam prāṇaparispandam āhuḥ āgamabhūṣaṇāḥ
tasmin saṃrodhite nūnam upaśāntam bhavet manaḥ

15. āgamabhūṣaṇāḥ cittam prāṇaparispandam āhuḥ
tasmin saṃrodhite nūnam manaḥ upaśāntam bhavet

15. Those well-versed in traditional scriptures (āgama) declare that the mind (citta) is the pulsation of the vital breath (prāṇa). When that [pulsation] is indeed restrained, the mind (manas) certainly becomes pacified.

Words meanings summery:

• चित्तम् (cittam) - mind, thought, consciousness, heart

• प्राणपरिस्पन्दम् (prāṇaparispandam) - the vibration of the vital breath, the pulsation of life-force

• आहुः (āhuḥ) - they say, they declare, they state

• आगमभूषणाः (āgamabhūṣaṇāḥ) - those adorned with traditional scriptures, authorities on traditional knowledge

• तस्मिन् (tasmin) - when that (prāṇaparispanda) is restrained (in that, on that, to that)

• संरोधिते (saṁrodhite) - when restrained, having been restrained

• नूनम् (nūnam) - indeed, certainly, surely

• उपशान्तम् (upaśāntam) - pacified, tranquil, ceased

• भवेत् (bhavet) - it would be, it should be, it may be, it becomes

• मनः (manaḥ) - mind, intellect, heart

Words meanings and morphology

चित्तम् (cittam) - mind, thought, consciousness, heart

(noun)

Nominative, neuter, singular of citta

citta - mind, thought, consciousness, heart, intellect

From root 'cit' (to perceive, understand)

Root: cit (class 1)

प्राणपरिस्पन्दम् (prāṇaparispandam) - the vibration of the vital breath, the pulsation of life-force

(noun)

Nominative, neuter, singular of prāṇaparispanda

prāṇaparispanda - vibration/pulsation of vital breath (prāṇa)

Compound type : tatpuruṣa (prāṇa+parispanda)

• prāṇa – life-breath, vital air, respiration, spirit
  noun (masculine)
  From root 'an' (to breathe) with prefix 'pra'
  Prefix: pra
  Root: an (class 2)
• parispanda – vibration, trembling, pulsation, movement
  noun (masculine)
  Derived from root 'spand' (to tremble, vibrate) with prefix 'pari'
  Prefix: pari
  Root: spand (class 1)

Note: Functions as a predicate nominative, agreeing in gender and number with 'cittam'.

आहुः (āhuḥ) - they say, they declare, they state

(verb)

3rd person , plural, active, perfect (liṭ) of vac

Root: vac (class 2)

Note: Irregular perfect form of 'vac'.

आगमभूषणाः (āgamabhūṣaṇāḥ) - those adorned with traditional scriptures, authorities on traditional knowledge

(noun)

Nominative, masculine, plural of āgamabhūṣaṇa

āgamabhūṣaṇa - adorned with traditional scriptures (āgama)

Compound type : bahuvrīhi (āgama+bhūṣaṇa)

• āgama – traditional scriptures, doctrine, coming, acquisition
  noun (masculine)
  From root 'gam' (to go) with prefix 'ā' (towards)
  Prefix: ā
  Root: gam (class 1)
• bhūṣaṇa – ornament, adornment, decoration
  noun (neuter)
  Derived from root 'bhūṣ' (to adorn)
  Root: bhūṣ (class 10)

Note: Subject of 'āhuḥ'.

तस्मिन् (tasmin) - when that (prāṇaparispanda) is restrained (in that, on that, to that)

(pronoun)

Locative, masculine, singular of tad

tad - that, this, he, she, it

Note: Refers to 'prāṇaparispanda'. Part of a locative absolute construction.

संरोधिते (saṁrodhite) - when restrained, having been restrained

(adjective)

Locative, masculine, singular of saṃrodhita

saṁrodhita - restrained, checked, confined, stopped

Past Passive Participle

Formed from root 'rudh' (to obstruct) with prefix 'sam' (together, completely)

Prefix: sam

Root: rudh (class 7)

Note: Locative absolute construction with 'tasmin'.

नूनम् (nūnam) - indeed, certainly, surely

(indeclinable)

उपशान्तम् (upaśāntam) - pacified, tranquil, ceased

(adjective)

Nominative, neuter, singular of upaśānta

upaśānta - pacified, tranquil, calmed, ceased

Past Passive Participle

Formed from root 'śam' (to be calm) with prefix 'upa' (near, towards)

Prefix: upa

Root: śam (class 4)

Note: Agrees with 'manaḥ'.

भवेत् (bhavet) - it would be, it should be, it may be, it becomes

(verb)

3rd person , singular, active, potential (vidhiliṅ) of bhū

Root: bhū (class 1)

मनः (manaḥ) - mind, intellect, heart

(noun)

Nominative, neuter, singular of manas

manas - mind, intellect, understanding, heart, spirit

From root 'man' (to think)

Root: man (class 4)

Note: Subject of 'bhavet'.