योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-17, verse-5

परिविश्रान्तधीः शान्तः परमानन्दघूर्णितः ।
आविर्भावतिरोभावतज्ज्ञः संसारजन्मनाम् ॥ ५ ॥

pariviśrāntadhīḥ śāntaḥ paramānandaghūrṇitaḥ ,
āvirbhāvatirobhāvatajjñaḥ saṃsārajanmanām 5

5. pariviśrāntadhīḥ śāntaḥ paramānandaghūrṇitaḥ
āvirbhāvatirobhāvatatjñaḥ saṃsārajjanmanām

5. pariviśrāntadhīḥ śāntaḥ paramānandaghūrṇitaḥ
āvirbhāvatirobhāvatatjñaḥ saṃsārajjanmanām

5. He whose intellect is perfectly at rest, who is peaceful, who is absorbed in supreme bliss, and who understands the appearance and disappearance of beings within the cycle of rebirth (saṃsāra).

Words meanings summery:

• परिविश्रान्तधीः (pariviśrāntadhīḥ) - whose intellect is perfectly at rest; having a fully rested mind

• शान्तः (śāntaḥ) - peaceful, calm, tranquil, appeased

• परमानन्दघूर्णितः (paramānandaghūrṇitaḥ) - swayed by supreme bliss; absorbed in supreme bliss

• आविर्भावतिरोभावतत्ज्ञः (āvirbhāvatirobhāvatatjñaḥ) - who knows the appearance and disappearance of things; an expert in manifestation and concealment

• संसारज्जन्मनाम् (saṁsārajjanmanām) - of births in the cycle of existence (saṃsāra); of worldly births

Words meanings and morphology

परिविश्रान्तधीः (pariviśrāntadhīḥ) - whose intellect is perfectly at rest; having a fully rested mind

(adjective)

Nominative, masculine, singular of pariviśrāntadhī

pariviśrāntadhī - one whose intellect is perfectly at rest

Compound type : bahuvrīhi (pariviśrānta+dhī)

• pariviśrānta – completely rested, fully calm
  adjective
  Past Passive Participle
  Prefixes: pari+vi
  Root: śram (class 4)
• dhī – intellect, understanding, thought
  noun (feminine)

शान्तः (śāntaḥ) - peaceful, calm, tranquil, appeased

(adjective)

Nominative, masculine, singular of śānta

śānta - peaceful, tranquil, calm, appeased, ceased

Past Passive Participle

Root: śam (class 4)

परमानन्दघूर्णितः (paramānandaghūrṇitaḥ) - swayed by supreme bliss; absorbed in supreme bliss

(adjective)

Nominative, masculine, singular of paramānandaghūrṇita

paramānandaghūrṇita - one swayed or immersed in supreme bliss

Compound type : tatpuruṣa (paramānanda+ghūrṇita)

• paramānanda – supreme bliss
  noun (masculine)
• ghūrṇita – swayed, whirled, immersed, absorbed
  adjective
  Past Passive Participle
  Root: ghūrṇ (class 1)

आविर्भावतिरोभावतत्ज्ञः (āvirbhāvatirobhāvatatjñaḥ) - who knows the appearance and disappearance of things; an expert in manifestation and concealment

(adjective)

Nominative, masculine, singular of āvirbhāvatirobhāvatatjña

āvirbhāvatirobhāvatatjña - one who knows manifestation and concealment

Compound type : tatpuruṣa (āvirbhāva+tirobhāva+tatjña)

• āvirbhāva – appearance, manifestation
  noun (masculine)
• tirobhāva – disappearance, concealment
  noun (masculine)
• tatjña – knower of that
  adjective
  Upapada compound (tat + jña)
  Root: jñā (class 9)

संसारज्जन्मनाम् (saṁsārajjanmanām) - of births in the cycle of existence (saṃsāra); of worldly births

(noun)

Genitive, neuter, plural of saṃsārajjanman

saṁsārajjanman - births in the cycle of transmigration

Compound type : tatpuruṣa (saṃsāra+janman)

• saṃsāra – cycle of rebirth, transmigration (saṃsāra)
  noun (masculine)
  Prefix: sam
  Root: sṛ (class 1)
• janman – birth, origin, life
  noun (neuter)
  Root: jan (class 4)