योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-35, verse-9

शरसीकरनीहारसान्धकारककुब्गणः ।
निर्घोषाशोषिताशेषशब्दैकघनघुंघुमः ॥ ९ ॥

śarasīkaranīhārasāndhakārakakubgaṇaḥ ,
nirghoṣāśoṣitāśeṣaśabdaikaghanaghuṃghumaḥ 9

9. śarasīkaranīhārasāndhakārakakubgaṇaḥ
nirghoṣāśoṣitāśeṣaśabdaikaghanaghuṃghumaḥ

9. śarasīkaranīhārasāndhakārakakubgaṇaḥ
nirghoṣāśoṣitāśeṣaśabdaikaghanaghuṃghumaḥ

9. Whose multitude of directions is darkened by the mist-like spray of arrows, and whose only dense, rumbling sound is the roar that has absorbed all other sounds.

Words meanings summery:

• शरसीकरनीहारसान्धकारककुब्गणः (śarasīkaranīhārasāndhakārakakubgaṇaḥ) - describing the battle as having all directions obscured by the dense, mist-like spray of countless arrows (whose multitude of directions is darkened by the mist-like spray of arrows)

• निर्घोषाशोषिताशेषशब्दैकघनघुंघुमः (nirghoṣāśoṣitāśeṣaśabdaikaghanaghuṁghumaḥ) - describing the battle as having an overwhelming roar that drowns out all other sounds, creating a singular, dense rumble (whose only dense, rumbling sound is the roar that has absorbed all other sounds)

Words meanings and morphology

शरसीकरनीहारसान्धकारककुब्गणः (śarasīkaranīhārasāndhakārakakubgaṇaḥ) - describing the battle as having all directions obscured by the dense, mist-like spray of countless arrows (whose multitude of directions is darkened by the mist-like spray of arrows)

(adjective)

Nominative, masculine, singular of śarasīkaranīhārasāndhakārakakubgaṇa

śarasīkaranīhārasāndhakārakakubgaṇa - characterized by the darkening of all directions by the mist-like spray of arrows

Compound type : Bahuvrihi (śarasīkara+nīhāra+sāndhakāraka+kakubgaṇa)

• śara – arrow
  noun (masculine)
• sīkara – spray, fine shower, mist
  noun (masculine)
• nīhāra – mist, fog, dew
  noun (masculine)
• sāndhakāraka – darkening, causing darkness
  adjective (masculine)
  From 'sa-andhakāra' (with darkness) + suffix 'ka'.
• kakubh – quarter, direction, region
  noun (feminine)
• gaṇa – multitude, host, group
  noun (masculine)

Note: This entire compound is an adjective modifying an implied noun like 'the battlefield'.

निर्घोषाशोषिताशेषशब्दैकघनघुंघुमः (nirghoṣāśoṣitāśeṣaśabdaikaghanaghuṁghumaḥ) - describing the battle as having an overwhelming roar that drowns out all other sounds, creating a singular, dense rumble (whose only dense, rumbling sound is the roar that has absorbed all other sounds)

(adjective)

Nominative, masculine, singular of nirghoṣāśoṣitāśeṣaśabdaikaghanaghuṃghuma

nirghoṣāśoṣitāśeṣaśabdaikaghanaghuṁghuma - characterized by a single, dense, rumbling sound, which is the roar that has absorbed all other sounds

Compound type : Bahuvrihi (nirghoṣa+āśoṣita+aśeṣa+śabda+eka+ghana+ghuṃghuma)

• nirghoṣa – roar, loud sound, din
  noun (masculine)
  Derived from verb ghuṣ (to proclaim) with prefix nir.
  Prefix: nis
  Root: √ghuṣ (class 1)
• āśoṣita – dried up, absorbed, attenuated
  participle (masculine)
  Past Passive Participle
  Derived from causative of verb √śuṣ (to dry) with prefix ā.
  Prefix: ā
  Root: √śuṣ (class 4)
• aśeṣa – all, entire, without remainder
  adjective (masculine)
  From 'a' (not) + 'śeṣa' (remainder).
• śabda – sound, noise, word
  noun (masculine)
• eka – one, sole, unique
  adjective (masculine)
• ghana – dense, thick, intense
  adjective (masculine)
• ghuṃghuma – humming, murmuring, indistinct roar, buzz
  noun (masculine)
  Onomatopoeic origin.

Note: This entire compound is an adjective modifying an implied noun like 'the battlefield'.