योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-24, verse-40

क्वचित्सूर्योदयमयं क्वचिद्रात्रितमोमयम् ।
क्वचित्संध्यांशुकपिलं क्वचिन्नीहारधूसरम् ॥ ४० ॥

kvacitsūryodayamayaṃ kvacidrātritamomayam ,
kvacitsaṃdhyāṃśukapilaṃ kvacinnīhāradhūsaram 40

40. kvacit sūryodayamayam kvacit rātritamomayam
kvacit saṃdhyāṃśukakapilam kvacit nīhāra-dhūsaram

40. kvacit sūryodayamayam kvacit rātritamomayam
kvacit saṃdhyāṃśukakapilam kvacit nīhāra-dhūsaram

40. Somewhere, it consists of sunrise; somewhere, it consists of night's darkness. Somewhere, it is reddish-brown like twilight's rays; somewhere, it is gray like mist.

Words meanings summery:

• क्वचित् (kvacit) - sometimes, somewhere, in some place

• सूर्योदयमयम् (sūryodayamayam) - consisting of sunrise

• क्वचित् (kvacit) - sometimes, somewhere, in some place

• रात्रितमोमयम् (rātritamomayam) - consisting of night's darkness

• क्वचित् (kvacit) - sometimes, somewhere, in some place

• संध्यांशुककपिलम् (saṁdhyāṁśukakapilam) - reddish-brown like twilight's rays

• क्वचित् (kvacit) - sometimes, somewhere, in some place

• नीहार-धूसरम् (nīhāra-dhūsaram) - gray like mist/fog

Words meanings and morphology

क्वचित् (kvacit) - sometimes, somewhere, in some place

(indeclinable)

सूर्योदयमयम् (sūryodayamayam) - consisting of sunrise

(adjective)

Nominative, neuter, singular of sūryodayamaya

sūryodayamaya - consisting of sunrise

Compound type : tatpuruṣa (sūrya+udaya+maya)

• sūrya – sun
  noun (masculine)
• udaya – rising, appearance
  noun (masculine)
  From root 'i' (to go) with prefix 'ud'
  Prefix: ud
  Root: i (class 2)
• maya – consisting of, made of, full of
  adjective
  Suffix -maya

Note: Internal sandhi of 'sūrya' + 'udaya' = 'sūryodaya' is preserved as part of the compound.

क्वचित् (kvacit) - sometimes, somewhere, in some place

(indeclinable)

रात्रितमोमयम् (rātritamomayam) - consisting of night's darkness

(adjective)

Nominative, neuter, singular of rātritamomaya

rātritamomaya - consisting of night's darkness

Compound type : tatpuruṣa (rātri+tamas+maya)

• rātri – night
  noun (feminine)
• tamas – darkness, gloom
  noun (neuter)
• maya – consisting of, made of, full of
  adjective
  Suffix -maya

क्वचित् (kvacit) - sometimes, somewhere, in some place

(indeclinable)

संध्यांशुककपिलम् (saṁdhyāṁśukakapilam) - reddish-brown like twilight's rays

(adjective)

Nominative, neuter, singular of saṃdhyāṃśukakapila

saṁdhyāṁśukakapila - reddish-brown like twilight's rays

Compound type : bahuvrīhi (saṃdhyā+aṃśuka+kapila)

• saṃdhyā – twilight, evening, junction
  noun (feminine)
• aṃśuka – ray (of light), garment
  noun (masculine)
• kapila – reddish-brown, tawny
  adjective

क्वचित् (kvacit) - sometimes, somewhere, in some place

(indeclinable)

नीहार-धूसरम् (nīhāra-dhūsaram) - gray like mist/fog

(adjective)

Nominative, neuter, singular of nīhāra-dhūsara

nīhāra-dhūsara - gray like mist/fog

Compound type : tatpuruṣa (nīhāra+dhūsara)

• nīhāra – mist, fog, frost
  noun (masculine)
• dhūsara – gray, ash-colored, dusty
  adjective