योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-56, verse-30

क्वचिदुत्तालवेतालं गरुडोड्डामरं क्वचित् ।
क्वचित्सप्रलयाम्भोदं क्वचित्सप्रलयानिलम् ॥ ३० ॥

kvaciduttālavetālaṃ garuḍoḍḍāmaraṃ kvacit ,
kvacitsapralayāmbhodaṃ kvacitsapralayānilam 30

30. kvacit uttālaveatālam garuḍoḍḍāmaram kvacit
kvacit sapralayāmbhodam kvacit sapralayānilam

30. kvacit uttālaveatālam garuḍoḍḍāmaram kvacit
kvacit sapralayāmbhodam kvacit sapralayānilam

30. Sometimes it was filled with fierce goblins (vetālas), and at other times, tumultuous with garuḍas. Occasionally, it featured clouds heralding dissolution, and at other times, winds of destruction.

Words meanings summery:

• क्वचित् (kvacit) - sometimes, at times

• उत्तालवेअतालम् (uttālaveatālam) - having fierce goblins (vetālas), filled with fierce vetālas

• गरुडोड्डामरम् (garuḍoḍḍāmaram) - tumultuous with garuḍas, having fierce garuḍas

• क्वचित् (kvacit) - sometimes, at times

• क्वचित् (kvacit) - sometimes, at times

• सप्रलयाम्भोदम् (sapralayāmbhodam) - featuring clouds heralding dissolution (having clouds of dissolution/destruction, accompanied by dissolution-like clouds)

• क्वचित् (kvacit) - sometimes, at times

• सप्रलयानिलम् (sapralayānilam) - featuring winds of destruction (having winds of dissolution/destruction, accompanied by dissolution-like winds)

Words meanings and morphology

क्वचित् (kvacit) - sometimes, at times

(indeclinable)

उत्तालवेअतालम् (uttālaveatālam) - having fierce goblins (vetālas), filled with fierce vetālas

(adjective)

Nominative, neuter, singular of uttālaveatāla

uttālaveatāla - having fierce goblins (vetālas)

Compound adjective describing the sky as having fierce vetālas.

Compound type : bahuvrīhi (uttāla+vetāla)

• uttāla – fierce, mighty, violent, high, great
  adjective (masculine)
  Derived from 'ud-' (up, out) and root 'tal' (to strike, be firm).
  Prefix: ut
• vetāla – goblin, vampire-like demon, a spirit animating a corpse
  noun (masculine)

Note: Describes the sky (khe).

गरुडोड्डामरम् (garuḍoḍḍāmaram) - tumultuous with garuḍas, having fierce garuḍas

(adjective)

Nominative, neuter, singular of garuḍoḍḍāmara

garuḍoḍḍāmara - tumultuous/fierce with garuḍas

Compound adjective describing the sky as tumultuous due to garuḍas.

Compound type : bahuvrīhi (garuḍa+uḍḍāmara)

• garuḍa – a mythical bird, king of birds, vehicle of Viṣṇu, a divine eagle
  proper noun (masculine)
• uḍḍāmara – tumultuous, terrible, fierce, noisy
  adjective (neuter)

Note: Describes the sky (khe).

क्वचित् (kvacit) - sometimes, at times

(indeclinable)

क्वचित् (kvacit) - sometimes, at times

(indeclinable)

सप्रलयाम्भोदम् (sapralayāmbhodam) - featuring clouds heralding dissolution (having clouds of dissolution/destruction, accompanied by dissolution-like clouds)

(adjective)

Nominative, neuter, singular of sapralayāmbhoda

sapralayāmbhoda - having clouds of dissolution/destruction

Compound adjective describing the sky as having clouds that bring about pralaya (dissolution).

Compound type : bahuvrīhi (sa+pralaya+ambhoda)

• sa – with, accompanied by, having
  prefix
  Prefix indicating 'with' or 'having'.
• pralaya – dissolution, destruction, cosmic reabsorption
  noun (masculine)
  Derived from 'pra-' (forth, forward) and root 'lī' (to dissolve, melt).
  Prefix: pra
  Root: lī (class 4)
• ambhoda – cloud (lit. 'water-giver')
  noun (masculine)
  Compound formed from 'ambhas' (water) and root 'dā' (to give).
  Root: dā (class 3)

Note: Describes the sky (khe).

क्वचित् (kvacit) - sometimes, at times

(indeclinable)

सप्रलयानिलम् (sapralayānilam) - featuring winds of destruction (having winds of dissolution/destruction, accompanied by dissolution-like winds)

(adjective)

Nominative, neuter, singular of sapralayānila

sapralayānila - having winds of dissolution/destruction

Compound adjective describing the sky as having winds that bring about pralaya (dissolution).

Compound type : bahuvrīhi (sa+pralaya+anila)

• sa – with, accompanied by, having
  prefix
  Prefix indicating 'with' or 'having'.
• pralaya – dissolution, destruction, cosmic reabsorption
  noun (masculine)
  Derived from 'pra-' (forth, forward) and root 'lī' (to dissolve, melt).
  Prefix: pra
  Root: lī (class 4)
• anila – wind, air, breeze
  noun (masculine)

Note: Describes the sky (khe).