योगवासिष्ठः yogavāsiṣṭhaḥ - book-1, chapter-20, verse-25

कृताकृतकुपक्षाणां हृत्सरस्तीरचारिणाम् ।
आधिव्याधिविहंगानामालयो नवयौवनम् ॥ २५ ॥

kṛtākṛtakupakṣāṇāṃ hṛtsarastīracāriṇām ,
ādhivyādhivihaṃgānāmālayo navayauvanam 25

25. kṛtākṛtakupakṣāṇām hṛtsarastīracāriṇām
ādhivyādhivihangānām ālayaḥ navayauvanam

25. navayauvanam kṛtākṛtakupakṣāṇām
hṛtsarastīracāriṇām ādhivyādhivihangānām ālayaḥ

25. New youth (yauvana) is the dwelling place for the birds of mental distress (ādhi) and physical illness (vyādhi), [birds] whose faulty wings are inconsistent and which roam on the shores of the lake of the heart.

Words meanings summery:

• कृताकृतकुपक्षाणाम् (kṛtākṛtakupakṣāṇām) - of those with inconsistent and faulty wings (of those whose wings are done and undone and bad/faulty)

• हृत्सरस्तीरचारिणाम् (hṛtsarastīracāriṇām) - of those that roam on the shores of the lake of the heart (of those moving on the banks of the heart-lake)

• आधिव्याधिविहन्गानाम् (ādhivyādhivihangānām) - for the birds of mental distress (ādhi) and physical illness (vyādhi) (of the birds of mental and physical ailments)

• आलयः (ālayaḥ) - dwelling place (dwelling, abode, house, receptacle)

• नवयौवनम् (navayauvanam) - new youth (yauvana) (new youth, fresh youth, early youth)

Words meanings and morphology

कृताकृतकुपक्षाणाम् (kṛtākṛtakupakṣāṇām) - of those with inconsistent and faulty wings (of those whose wings are done and undone and bad/faulty)

(adjective)

Genitive, masculine, plural of kṛtākṛtakupakṣa

kṛtākṛtakupakṣa - having imperfect/inconsistent faulty wings

Compound type : bahuvrīhi (kṛta+akṛta+ku+pakṣa)

• kṛta – done, made, performed; good deed
  adjective
  Past Passive Participle
  Root: kṛ (class 8)
• akṛta – not done, undone, unmade; bad deed
  adjective
  Past Passive Participle
  Root: kṛ (class 8)
• ku – bad, evil, contemptible (prefix)
  indeclinable
• pakṣa – wing, side, party, alternative, fortnight
  noun (masculine)

हृत्सरस्तीरचारिणाम् (hṛtsarastīracāriṇām) - of those that roam on the shores of the lake of the heart (of those moving on the banks of the heart-lake)

(adjective)

Genitive, masculine, plural of hṛtsarastīracārin

hṛtsarastīracārin - moving on the banks of the heart-lake

Compound type : tatpuruṣa (hṛd+saras+tīra+cārin)

• hṛd – heart
  noun (neuter)
• saras – lake, pond, water
  noun (neuter)
• tīra – bank, shore, edge
  noun (neuter)
• cārin – moving, roaming, dwelling, performing
  adjective
  Agent noun
  Derived from the root 'car'.
  Root: car (class 1)

आधिव्याधिविहन्गानाम् (ādhivyādhivihangānām) - for the birds of mental distress (ādhi) and physical illness (vyādhi) (of the birds of mental and physical ailments)

(noun)

Genitive, masculine, plural of ādhivyādhivihanga

ādhivyādhivihanga - bird of mental distress and physical illness

Compound type : tatpuruṣa (ādhi+vyādhi+vihanga)

• ādhi – mental anguish, distress, anxiety
  noun (masculine)
• vyādhi – illness, sickness, disease
  noun (masculine)
• vihanga – bird, one who moves in the sky
  noun (masculine)

आलयः (ālayaḥ) - dwelling place (dwelling, abode, house, receptacle)

(noun)

Nominative, masculine, singular of ālaya

ālaya - dwelling, abode, house, receptacle

Prefix: ā

Root: lī (class 1)

Note: Predicate nominative for 'navayauvanam'.

नवयौवनम् (navayauvanam) - new youth (yauvana) (new youth, fresh youth, early youth)

(noun)

Nominative, neuter, singular of navayauvana

navayauvana - new youth, early youth

Compound type : karmadhāraya (nava+yauvana)

• nava – new, fresh, young
  adjective
• yauvana – youth, adolescence
  noun (neuter)

Note: Subject of the sentence.