योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-91, verse-26

योगिनश्चित्तशान्त्यर्थं कुर्वन्ति प्राणरोधनम् ।
प्राणायामैस्तथा ध्यानैः प्रयोगैर्युक्तिकल्पितैः ॥ २६ ॥

yoginaścittaśāntyarthaṃ kurvanti prāṇarodhanam ,
prāṇāyāmaistathā dhyānaiḥ prayogairyuktikalpitaiḥ 26

26. yoginaḥ cittaśāntyartham kurvanti prāṇarodhanam |
prāṇāyāmaiḥ tathā dhyānaiḥ prayogaiḥ yuktikalkpitaiḥ ||

26. yoginaḥ cittaśāntyartham prāṇāyāmaiḥ tathā dhyānaiḥ
yuktikalkpitaiḥ prayogaiḥ [ca] prāṇarodhanam kurvanti

26. Yogis (yogin) undertake the restraint of breath (prāṇa) for the sake of mental peace (citta-śānti), achieving this through breath control exercises (prāṇāyāma), meditations (dhyāna), and other skillfully devised practices.

Words meanings summery:

• योगिनः (yoginaḥ) - yogis (yogis, practitioners of yoga)

• चित्तशान्त्यर्थम् (cittaśāntyartham) - for the sake of mental peace

• कुर्वन्ति (kurvanti) - they perform, undertake (they do, they make, they perform)

• प्राणरोधनम् (prāṇarodhanam) - restraint of breath (prāṇa) (restraint of breath/life-force)

• प्राणायामैः (prāṇāyāmaiḥ) - by means of breath control exercises (prāṇāyāma) (by means of breath control exercises)

• तथा (tathā) - and (and, thus, in that manner)

• ध्यानैः (dhyānaiḥ) - by means of meditations (dhyāna) (by means of meditations, contemplations)

• प्रयोगैः (prayogaiḥ) - by means of practices (by means of practices, applications, methods)

• युक्तिकल्क्पितैः (yuktikalkpitaiḥ) - skillfully devised (devised with skill/reason)

Words meanings and morphology

योगिनः (yoginaḥ) - yogis (yogis, practitioners of yoga)

(noun)

Nominative, masculine, plural of yogin

yogin - yogi, ascetic, practitioner of yoga (yoga), one who is yoked to the divine

From yoga + suffix in.

चित्तशान्त्यर्थम् (cittaśāntyartham) - for the sake of mental peace

(indeclinable)

Compound with artham (for the sake of).

Compound type : tatpuruṣa (citta+śānti+artha)

• citta – mind, thought, intellect
  noun (neuter)
  Past Passive Participle
  From √cit (to perceive).
  Root: √cit (class 1)
• śānti – peace, tranquility, calm
  noun (feminine)
  From √śam (to be calm, quiet).
  Root: √śam (class 4)
• artha – purpose, aim, meaning, sake
  noun (masculine/neuter)

Note: Functions as a dative equivalent.

कुर्वन्ति (kurvanti) - they perform, undertake (they do, they make, they perform)

(verb)

3rd person , plural, active, present (laṭ) of √kṛ

Present tense

Third person plural, present indicative, active voice of √kṛ.

Root: √kṛ (class 8)

प्राणरोधनम् (prāṇarodhanam) - restraint of breath (prāṇa) (restraint of breath/life-force)

(noun)

Accusative, neuter, singular of prāṇarodhana

prāṇarodhana - restraint of breath, control of life-force

Compound.

Compound type : tatpuruṣa (prāṇa+rodhana)

• prāṇa – life-breath, vital air, life-force (prāṇa)
  noun (masculine)
  From pra- + √an (to breathe).
  Prefix: pra
  Root: √an (class 2)
• rodhana – stopping, obstruction, restraining, blocking
  noun (neuter)
  Verbal Noun
  From √rudh (to obstruct, stop) with suffix ana. Used as a noun.
  Root: √rudh (class 7)

Note: Object of kurvanti.

प्राणायामैः (prāṇāyāmaiḥ) - by means of breath control exercises (prāṇāyāma) (by means of breath control exercises)

(noun)

Instrumental, masculine, plural of prāṇāyāma

prāṇāyāma - breath control, regulation of vital energy (prāṇa)

From prāṇa + āyāma (extension, control).

Compound type : tatpuruṣa (prāṇa+āyāma)

• prāṇa – life-breath, vital air, life-force (prāṇa)
  noun (masculine)
  From pra- + √an (to breathe).
  Prefix: pra
  Root: √an (class 2)
• āyāma – extension, stretching, control, regulation
  noun (masculine)
  From ā- + √yam (to restrain, control).
  Prefix: ā
  Root: √yam (class 1)

Note: Denotes the means by which prāṇarodhanam is done.

तथा (tathā) - and (and, thus, in that manner)

(indeclinable)

Adverb.

Note: Connects the various means.

ध्यानैः (dhyānaiḥ) - by means of meditations (dhyāna) (by means of meditations, contemplations)

(noun)

Instrumental, neuter, plural of dhyāna

dhyāna - meditation (dhyāna), contemplation, deep thought

Verbal Noun

From √dhyā (to contemplate, meditate).

Root: √dhyā (class 1)

Note: Another means.

प्रयोगैः (prayogaiḥ) - by means of practices (by means of practices, applications, methods)

(noun)

Instrumental, masculine, plural of prayoga

prayoga - application, practice, method, performance, experiment

From pra- + √yuj (to join, apply).

Prefix: pra

Root: √yuj (class 7)

Note: Another means.

युक्तिकल्क्पितैः (yuktikalkpitaiḥ) - skillfully devised (devised with skill/reason)

(adjective)

Instrumental, masculine, plural of yuktikalkpita

yuktikalkpita - devised by skill, planned with reason

Compound.

Compound type : tatpuruṣa (yukti+kalpita)

• yukti – skill, art, device, reason, argument
  noun (feminine)
  From √yuj (to join, apply).
  Root: √yuj (class 7)
• kalpita – devised, formed, imagined, prepared
  adjective (masculine)
  Past Passive Participle
  From √kḷp (to be in order, to form, prepare) with suffix ta.
  Root: √kḷp (class 1)

Note: Describes prayogaiḥ.