योगवासिष्ठः yogavāsiṣṭhaḥ - book-1, chapter-20, verse-38

नानाविकारबहुले वराके क्षणनाशिनि ।
कारुण्यं कुरु तारुण्ये म्रियमाणे सुतै यथा ॥ ३८ ॥

nānāvikārabahule varāke kṣaṇanāśini ,
kāruṇyaṃ kuru tāruṇye mriyamāṇe sutai yathā 38

38. nānāvikārabahule varāke kṣaṇanāśini kāruṇyam
kuru tāruṇye mriyamāṇe sutaiḥ yathā

38. nānāvikārabahule varāke kṣaṇanāśini mriyamāṇe tāruṇye,
(tvaṃ) kāruṇyam kuru,
yathā sutaiḥ (kuru).

38. Show compassion for youth (tāruṇya), which is wretched, full of various imperfections, and perishable in a moment, just as one would for dying sons.

Words meanings summery:

• नानाविकारबहुले (nānāvikārabahule) - abounding in various changes/imperfections/vices

• वराके (varāke) - wretched, miserable, poor, helpless

• क्षणनाशिनि (kṣaṇanāśini) - perishable in a moment, fleeting, ephemeral

• कारुण्यम् (kāruṇyam) - compassion, pity, mercy

• कुरु (kuru) - show (compassion) (do, make, perform, show)

• तारुण्ये (tāruṇye) - in youth, in youthfulness

• म्रियमाणे (mriyamāṇe) - in (this) dying (youth) (to the dying, in the process of dying)

• सुतैः (sutaiḥ) - just as for sons (used idiomatically in comparison, implying dative/genitive sense) (by sons, with sons)

• यथा (yathā) - as, just as, in the manner that

Words meanings and morphology

नानाविकारबहुले (nānāvikārabahule) - abounding in various changes/imperfections/vices

(adjective)

Locative, neuter, singular of nānāvikārabahula

nānāvikārabahula - abounding in various changes/imperfections/vices

Compound type : tatpuruṣa (nānā+vikāra+bahula)

• nānā – various, manifold
  indeclinable
• vikāra – change, alteration, imperfection, vice, disease
  noun (masculine)
  from vi + kṛ (to change)
  Prefix: vi
  Root: kṛ
• bahula – abounding in, rich in, frequent
  adjective (masculine)

Note: Agrees with 'tāruṇye'.

वराके (varāke) - wretched, miserable, poor, helpless

(adjective)

Locative, neuter, singular of varāka

varāka - wretched, miserable, poor, helpless

Note: Agrees with 'tāruṇye'.

क्षणनाशिनि (kṣaṇanāśini) - perishable in a moment, fleeting, ephemeral

(adjective)

Locative, neuter, singular of kṣaṇanāśin

kṣaṇanāśin - perishable in a moment, ephemeral, transient

Compound type : tatpuruṣa (kṣaṇa+nāśin)

• kṣaṇa – a moment, an instant
  noun (masculine)
• nāśin – perishing, destroying, transient
  adjective (masculine)
  from root naś (to perish) + -in suffix
  Root: naś

Note: Agrees with 'tāruṇye'.

कारुण्यम् (kāruṇyam) - compassion, pity, mercy

(noun)

Accusative, neuter, singular of kāruṇya

kāruṇya - compassion, pity, mercy

from karuṇa (compassionate)

Note: Object of 'kuru'.

कुरु (kuru) - show (compassion) (do, make, perform, show)

(verb)

2nd person , singular, active, imperative (loṭ) of kṛ

Imperative Mood, Parasmaipada

root: kṛ, class: 8 (tanādi)

Root: kṛ (class 8)

Note: Implied subject 'you'.

तारुण्ये (tāruṇye) - in youth, in youthfulness

(noun)

Locative, neuter, singular of tāruṇya

tāruṇya - youth, youthfulness

from taruṇa (young)

Note: The object to which compassion is shown (metaphorically).

म्रियमाणे (mriyamāṇe) - in (this) dying (youth) (to the dying, in the process of dying)

(adjective)

Locative, neuter, singular of mriyamāṇa

mriyamāṇa - dying, being about to die

Present Passive Participle (ātmanepada)

root: mṛ (to die), class: 6 (tudādi), conjugated in passive sense with -māṇa suffix

Root: mṛ (class 6)

सुतैः (sutaiḥ) - just as for sons (used idiomatically in comparison, implying dative/genitive sense) (by sons, with sons)

(noun)

Instrumental, masculine, plural of suta

suta - son, child

from root sū (to bear, bring forth)

Root: sū

Note: Used in comparison 'yathā' to denote 'as for sons'.

यथा (yathā) - as, just as, in the manner that

(indeclinable)

Note: Introduces a comparison.