योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-36, verse-4

द्वन्द्वयुद्धानि जातानि मेघानामिव गर्जताम् ।
मिथोनिगरणोत्कानि मिलन्त्यापगपूरवत् ॥ ४ ॥

dvandvayuddhāni jātāni meghānāmiva garjatām ,
mithonigaraṇotkāni milantyāpagapūravat 4

4. dvandvayuddhāni jātāni meghānām iva garjatām
mithaḥ nigaraṇautkāni milanti āpagapūravat

4. dvandvayuddhāni jātāni meghānām garjatām iva
mithaḥ nigaraṇautkāni āpagapūravat milanti

4. Intense duels ensued, resembling thundering clouds. Eager to devour each other, they clashed like surging river torrents.

Words meanings summery:

• द्वन्द्वयुद्धानि (dvandvayuddhāni) - intense duels (duels, single combats)

• जातानि (jātāni) - ensued (arose, occurred, were born)

• मेघानाम् (meghānām) - of the clouds

• इव (iva) - like, as if

• गर्जताम् (garjatām) - thundering (of the thundering ones, while thundering)

• मिथः (mithaḥ) - mutually, reciprocally, with each other

• निगरणौत्कानि (nigaraṇautkāni) - eager to devour each other (eager for mutual swallowing, eager to devour each other)

• मिलन्ति (milanti) - they clashed (they met, they clashed)

• आपगपूरवत् (āpagapūravat) - like surging river torrents (like river torrents)

Words meanings and morphology

द्वन्द्वयुद्धानि (dvandvayuddhāni) - intense duels (duels, single combats)

(noun)

Nominative, neuter, plural of dvandvayuddha

dvandvayuddha - duel, single combat

Compound type : karmadhāraya (dvandva+yuddha)

• dvandva – pair, couple, conflict, opposition
  noun (neuter)
• yuddha – battle, fight, combat
  noun (neuter)
  Past passive participle of root √yudh (to fight) used as a noun.
  Root: yudh (class 4)

Note: Subject of 'jātāni'.

जातानि (jātāni) - ensued (arose, occurred, were born)

(adjective)

Nominative, neuter, plural of jāta

jāta - born, produced, arisen, happened

Past Passive Participle

From root √jan (to be born, produce).

Root: jan (class 4)

मेघानाम् (meghānām) - of the clouds

(noun)

Genitive, masculine, plural of megha

megha - cloud

Root: mih (class 1)

Note: 'garjatām' (thundering) refers to 'meghānām'.

इव (iva) - like, as if

(indeclinable)

गर्जताम् (garjatām) - thundering (of the thundering ones, while thundering)

(adjective)

Genitive, masculine, plural of garjat

garjat - thundering, roaring, shouting

Present Active Participle

From root √garj (to thunder, roar).

Root: garj (class 1)

Note: Modifies 'meghānām'.

मिथः (mithaḥ) - mutually, reciprocally, with each other

(indeclinable)

Note: Adverb modifying 'nigaraṇautkāni'.

निगरणौत्कानि (nigaraṇautkāni) - eager to devour each other (eager for mutual swallowing, eager to devour each other)

(adjective)

Nominative, neuter, plural of nigaraṇautka

nigaraṇautka - eager for swallowing, desirous of devouring

Compound type : tatpuruṣa (nigaraṇa+utka)

• nigaraṇa – swallowing, devouring
  noun (neuter)
  Action noun from root √gṛ (to swallow) with prefix ni-.
  Prefix: ni
  Root: gṛ (class 6)
• utka – eager, longing, desirous
  adjective

Note: Modifies 'dvandvayuddhāni' (the duels) or the implied combatants.

मिलन्ति (milanti) - they clashed (they met, they clashed)

(verb)

3rd person , plural, active, present (laṭ) of mil

Root: mil (class 6)

आपगपूरवत् (āpagapūravat) - like surging river torrents (like river torrents)

(indeclinable)

Derived from 'āpagapūra' with the adverbial suffix -vat (indicating similarity). 'āpagapūra' is a Tatpuruṣa compound: 'āpagā' (river) + 'pūra' (flood).

Compound type : tatpuruṣa (āpagā+pūra)

• āpagā – river
  noun (feminine)
• pūra – flood, torrent, stream, abundance
  noun (masculine)
  From root √pṝ (to fill).
  Root: pṝ (class 9)

Note: Adverbial usage, describing how they clashed.