योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-76, verse-5

कुतोऽप्याकाशकुहराद्दृप्तदैत्यगणा इव ।
पुष्करावर्तका मेघाश्चक्रुर्गुलुगुलारवम् ॥ ५ ॥

kuto'pyākāśakuharāddṛptadaityagaṇā iva ,
puṣkarāvartakā meghāścakrurgulugulāravam 5

5. kutaḥ api ākāśakuharāt dṛptadaityagaṇāḥ iva
puṣkarāvartakāḥ meghāḥ cakruḥ gulugulāravam

5. kutaḥ api ākāśakuharāt dṛptadaityagaṇāḥ iva
puṣkarāvartakāḥ meghāḥ gulugulāravam cakruḥ

5. From somewhere, from the hollow of the sky, the Puṣkarāvartaka clouds, like proud hosts of demons, made a deep rumbling sound.

Words meanings summery:

• कुतः (kutaḥ) - from somewhere (when combined with 'api') (from where, whence, why)

• अपि (api) - even, also, too, moreover

• आकाशकुहरात् (ākāśakuharāt) - from the hollow of the sky, from the cavern of space

• दृप्तदैत्यगणाः (dṛptadaityagaṇāḥ) - proud hosts of demons, arrogant groups of demons

• इव (iva) - like, as, as if

• पुष्करावर्तकाः (puṣkarāvartakāḥ) - the Puṣkarāvartaka clouds (a class of mythological clouds known for torrential rain)

• मेघाः (meghāḥ) - clouds

• चक्रुः (cakruḥ) - they produced, they created (a sound) (they made, they did)

• गुलुगुलारवम् (gulugulāravam) - the specific sound made by the clouds (a rumbling sound, gurgling noise)

Words meanings and morphology

कुतः (kutaḥ) - from somewhere (when combined with 'api') (from where, whence, why)

(indeclinable)

Ablative form of 'kim' + 'tas' suffix

अपि (api) - even, also, too, moreover

(indeclinable)

आकाशकुहरात् (ākāśakuharāt) - from the hollow of the sky, from the cavern of space

(noun)

Ablative, masculine, singular of ākāśakuhara

ākāśakuhara - hollow of the sky, cavern of space

Compound type : tatpurusha (ākāśa+kuhara)

• ākāśa – sky, ether, space
  noun (masculine)
  Prefix: ā
  Root: kāś (class 1)
• kuhara – cavern, hole, hollow, cavity
  noun (neuter)
  Root: kuh (class 1)

दृप्तदैत्यगणाः (dṛptadaityagaṇāḥ) - proud hosts of demons, arrogant groups of demons

(noun)

Nominative, masculine, plural of dṛptadaityagaṇa

dṛptadaityagaṇa - proud hosts of demons

Compound type : tatpurusha (dṛpta+daitya+gaṇa)

• dṛpta – proud, arrogant, haughty, excited
  adjective (masculine)
  Past Passive Participle
  Derived from root 'dṛp' (to be proud, arrogant)
  Root: dṛp (class 4)
• daitya – demon, son of Diti (class of asuras)
  noun (masculine)
• gaṇa – multitude, host, troop, collection
  noun (masculine)
  Root: gaṇ (class 10)

इव (iva) - like, as, as if

(indeclinable)

पुष्करावर्तकाः (puṣkarāvartakāḥ) - the Puṣkarāvartaka clouds (a class of mythological clouds known for torrential rain)

(proper noun)

Nominative, masculine, plural of puṣkarāvartaka

puṣkarāvartaka - a class of clouds (often described as responsible for cosmic floods)

Compound type : tatpurusha (puṣkara+āvartaka)

• puṣkara – lotus, blue lotus, water, tip of an elephant's trunk, name of a cloud
  noun (neuter)
  Root: puṣ (class 4)
• āvartaka – causing to turn, revolving, a kind of cloud, a whirlpool
  adjective/noun (masculine)
  Derived from root 'vṛt' (to turn) with prefix 'ā'.
  Prefix: ā
  Root: vṛt (class 1)

Note: Refers to a specific category of powerful clouds.

मेघाः (meghāḥ) - clouds

(noun)

Nominative, masculine, plural of megha

megha - cloud

Derived from root 'mih' (to sprinkle)

Root: mih (class 1)

Note: Subject of the verb 'cakruḥ'.

चक्रुः (cakruḥ) - they produced, they created (a sound) (they made, they did)

(verb)

3rd person , plural, active, past perfect (liṭ) of kṛ

Perfect tense, 3rd person plural

Root 'kṛ', perfect (liṭ).

Root: kṛ (class 8)

गुलुगुलारवम् (gulugulāravam) - the specific sound made by the clouds (a rumbling sound, gurgling noise)

(noun)

Accusative, masculine, singular of gulugulārava

gulugulārava - a rumbling or gurgling sound (onomatopoeic)

Compound type : karmadhāraya (gulugulā+rava)

• gulugulā – onomatopoeic for rumbling, gurgling
  indeclinable
• rava – sound, cry, roar, noise
  noun (masculine)
  Derived from root 'ru' (to roar, make sound)
  Root: ru (class 2)

Note: Object of the verb 'cakruḥ'.