योगवासिष्ठः yogavāsiṣṭhaḥ - book-1, chapter-19, verse-6

प्रतिबिम्बघनाज्ञानं नानासंकल्पपेलवम् ।
बाल्यमालूनसंशीर्णमनः कस्य सुखावहम् ॥ ६ ॥

pratibimbaghanājñānaṃ nānāsaṃkalpapelavam ,
bālyamālūnasaṃśīrṇamanaḥ kasya sukhāvaham 6

6. pratibimba-ghana-ajñānam nānā-saṅkalpa-pelavam
bālyam ālūna-saṃśīrṇa-manaḥ kasya sukhāvaham

6. pratibimba-ghana-ajñānam nānā-saṅkalpa-pelavam
ālūna-saṃśīrṇa-manaḥ bālyam kasya sukhāvaham [asti]

6. Childhood, characterized by a profound ignorance that merely reflects external impressions, and made fragile by countless fleeting desires, with a mind that is torn and shattered—for whom can such a state be pleasant?

Words meanings summery:

• प्रतिबिम्ब-घन-अज्ञानम् (pratibimba-ghana-ajñānam) - profound ignorance reflecting external impressions (dense ignorance resembling a reflection / ignorance dense with reflections)

• नाना-सङ्कल्प-पेलवम् (nānā-saṅkalpa-pelavam) - made fragile by countless fleeting desires (delicate/fragile with various intentions/desires)

• बाल्यम् (bālyam) - childhood, infancy

• आलून-संशीर्ण-मनः (ālūna-saṁśīrṇa-manaḥ) - with a mind that is torn and shattered (having a mind torn and wasted/shattered)

• कस्य (kasya) - for whom, of whom

• सुखावहम् (sukhāvaham) - bringing happiness, pleasant, conducive to well-being

Words meanings and morphology

प्रतिबिम्ब-घन-अज्ञानम् (pratibimba-ghana-ajñānam) - profound ignorance reflecting external impressions (dense ignorance resembling a reflection / ignorance dense with reflections)

(adjective)

Nominative, neuter, singular of pratibimba-ghana-ajñāna

pratibimba-ghana-ajñāna - ignorance that is thick with reflected images or a mere reflection

Compound type : karma-dhāraya (pratibimba+ghana+ajñāna)

• pratibimba – reflection, image
  noun (neuter)
  prati-bimb (to reflect)
  Prefix: prati
  Root: bimb (class 1)
• ghana – dense, thick, profound
  adjective
• ajñāna – ignorance, nescience, lack of knowledge
  noun (neuter)
  a (negation) + jñāna (knowledge)
  Root: jñā (class 9)

Note: Qualifies 'bālyam'.

नाना-सङ्कल्प-पेलवम् (nānā-saṅkalpa-pelavam) - made fragile by countless fleeting desires (delicate/fragile with various intentions/desires)

(adjective)

Nominative, neuter, singular of nānā-saṅkalpa-pelava

nānā-saṅkalpa-pelava - fragile due to manifold thoughts or desires

Compound type : tatpuruṣa (nānā+saṅkalpa+pelava)

• nānā – various, manifold, diverse
  indeclinable
• saṅkalpa – intention, desire, resolve, mental conception
  noun (masculine)
  action noun
  sam-kḷp
  Prefix: sam
  Root: kḷp (class 1)
• pelava – tender, soft, delicate, fragile
  adjective

Note: Qualifies 'bālyam'.

बाल्यम् (bālyam) - childhood, infancy

(noun)

Nominative, neuter, singular of bālya

bālya - childhood, infancy, childishness

from bāla (child) + ya (suffix for state of being)

Note: Subject of the sentence.

आलून-संशीर्ण-मनः (ālūna-saṁśīrṇa-manaḥ) - with a mind that is torn and shattered (having a mind torn and wasted/shattered)

(adjective)

Nominative, neuter, singular of ālūna-saṃśīrṇa-manas

ālūna-saṁśīrṇa-manas - one whose mind is torn and wasted

Compound type : bahuvrīhi (ālūna+saṃśīrṇa+manas)

• ālūna – cut, torn, plucked
  adjective
  past passive participle
  from ā-lū (to cut, tear)
  Prefix: ā
  Root: lū (class 9)
• saṃśīrṇa – wasted, shattered, completely worn out
  adjective
  past passive participle
  from sam-śṝ (to shatter, decay)
  Prefix: sam
  Root: śṝ (class 9)
• manas – mind, intellect, heart
  noun (neuter)
  Root: man (class 4)

Note: Qualifies 'bālyam'.

कस्य (kasya) - for whom, of whom

(pronoun)

Genitive, singular of kim

kim - who, what, which

Note: Interrogative pronoun, asking 'for whom?'.

सुखावहम् (sukhāvaham) - bringing happiness, pleasant, conducive to well-being

(adjective)

Nominative, neuter, singular of sukhāvaha

sukhāvaha - bringing joy, pleasant, felicitous

sukha + āvaha (bringing)

Compound type : upapada-tatpuruṣa (sukha+āvaha)

• sukha – happiness, joy, pleasure, ease
  noun (neuter)
• āvaha – bringing, causing, producing
  adjective
  from ā-vah (to bring)
  Prefix: ā
  Root: vah (class 1)

Note: Predicate adjective for 'bālyam'.