महाभारतः mahābhārataḥ - book-7, chapter-9, verse-15

चापविद्युत्प्रभो घोरो रथगुल्मबलाहकः ।
रथनेमिघोषस्तनितः शरशब्दातिबन्धुरः ॥१५॥

15. cāpavidyutprabho ghoro rathagulmabalāhakaḥ ,
rathanemighoṣastanitaḥ śaraśabdātibandhuraḥ.

15. cāpavidyutprabhaḥ ghoraḥ rathagulmabalāhakaḥ
rathanemighoṣastanitaḥ śaraśabdātibandhuraḥ

15. ghoraḥ cāpavidyutprabhaḥ rathagulmabalāhakaḥ
rathanemighoṣastanitaḥ śaraśabdātibandhuraḥ

15. (That battle was) dreadful, shining with the lightning-like flash of bows, its chariot formations like storm clouds, thundering with the rumble of chariot wheels, and fiercely dense with the sound of arrows.

Words meanings summery:

• चापविद्युत्प्रभः (cāpavidyutprabhaḥ) - radiant with lightning-like bows, having the brilliance of a bow-lightning

• घोरः (ghoraḥ) - dreadful, terrible, fearful

• रथगुल्मबलाहकः (rathagulmabalāhakaḥ) - having chariot divisions like clouds

• रथनेमिघोषस्तनितः (rathanemighoṣastanitaḥ) - thundering with the rumble of chariot wheels

• शरशब्दातिबन्धुरः (śaraśabdātibandhuraḥ) - greatly dense/packed with the sound of arrows

Words meanings and morphology

चापविद्युत्प्रभः (cāpavidyutprabhaḥ) - radiant with lightning-like bows, having the brilliance of a bow-lightning

(adjective)

Nominative, masculine, singular of cāpavidyutprabha

cāpavidyutprabha - having the brilliance of a bow-lightning; shining like a lightning-bow

Compound type : bahuvrīhi (cāpa+vidyut+prabha)

• cāpa – bow
  noun (masculine/neuter)
• vidyut – lightning
  noun (feminine)
• prabhā – light, splendor, radiance
  noun (feminine)

Note: Describes the battle/warrior.

घोरः (ghoraḥ) - dreadful, terrible, fearful

(adjective)

Nominative, masculine, singular of ghora

ghora - dreadful, terrible, fearful, formidable

Note: Describes the battle/warrior.

रथगुल्मबलाहकः (rathagulmabalāhakaḥ) - having chariot divisions like clouds

(adjective)

Nominative, masculine, singular of rathagulmabalāhaka

rathagulmabalāhaka - having chariot-masses like storm-clouds

Compound type : upamāna-pūrvapada karmadhāraya (ratha+gulma+balāhaka)

• ratha – chariot
  noun (masculine)
• gulma – troop, division (of an army), cluster, thicket
  noun (masculine/neuter)
• balāhaka – storm-cloud, cloud
  noun (masculine)

Note: Describes the battle/warrior.

रथनेमिघोषस्तनितः (rathanemighoṣastanitaḥ) - thundering with the rumble of chariot wheels

(adjective)

Nominative, masculine, singular of rathanemighoṣastanita

rathanemighoṣastanita - thundering with the sound/rumble of chariot wheels

Compound type : bahuvrīhi (rathanemi+ghoṣa+stanita)

• rathanemi – felloe/rim of a chariot wheel
  noun (feminine)
• ghoṣa – sound, noise, roar
  noun (masculine)
  Root: √ghuṣ (class 1)
• stanita – thunder, roaring, a sound
  noun/past passive participle (neuter)
  Past Passive Participle
  from √stan (to thunder, roar)
  Root: √stan (class 1)

Note: Describes the battle/warrior.

शरशब्दातिबन्धुरः (śaraśabdātibandhuraḥ) - greatly dense/packed with the sound of arrows

(adjective)

Nominative, masculine, singular of śaraśabdātibandhura

śaraśabdātibandhura - greatly charming/dense/packed with the sound of arrows

Compound type : tatpuruṣa / bahuvrīhi (śara+śabda+ati+bandhura)

• śara – arrow
  noun (masculine/neuter)
• śabda – sound, noise, word
  noun (masculine)
• ati – exceedingly, very, over
  indeclinable
• bandhura – charming, beautiful, delightful, also dense, compact
  adjective (masculine/feminine/neuter)

Note: Describes the battle/warrior.