योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-26, verse-8

रेणुः शैलशिलातुल्यहेतिघातास्तभित्तयः ।
कुलाचलतटाभीरुविश्रान्तहरिमण्डलाः ॥ ८ ॥

reṇuḥ śailaśilātulyahetighātāstabhittayaḥ ,
kulācalataṭābhīruviśrāntaharimaṇḍalāḥ 8

8. reṇuḥ śailaśilātulyahetighātāstabhittayaḥ
kulācalataṭābhīruviśrāntaharimaṇḍalāḥ

8. reṇuḥ śailaśilātulyahetighātāstabhittayaḥ
kulācalataṭābhīruviśrāntaharimaṇḍalāḥ

8. Dust; fragments shattered by blows of weapons resembling mountain rocks; and groups of warriors, having rested fearlessly on the slopes of the chief mountains.

Words meanings summery:

• रेणुः (reṇuḥ) - dust (from the battlefield) (dust, sand, pollen)

• शैलशिलातुल्यहेतिघातास्तभित्तयः (śailaśilātulyahetighātāstabhittayaḥ) - referring to the debris or masses of dust on the battlefield, appearing like shattered walls (having fragments (or walls) shattered by blows of weapons resembling mountain rocks)

• कुलाचलतटाभीरुविश्रान्तहरिमण्डलाः (kulācalataṭābhīruviśrāntaharimaṇḍalāḥ) - describing the groups of warriors/horses in the battlefield scene (having groups of warriors/horses resting fearlessly on the slopes of chief mountains)

Words meanings and morphology

रेणुः (reṇuḥ) - dust (from the battlefield) (dust, sand, pollen)

(noun)

Nominative, masculine, singular of reṇu

reṇu - dust, sand, pollen, atom

शैलशिलातुल्यहेतिघातास्तभित्तयः (śailaśilātulyahetighātāstabhittayaḥ) - referring to the debris or masses of dust on the battlefield, appearing like shattered walls (having fragments (or walls) shattered by blows of weapons resembling mountain rocks)

(adjective)

Nominative, feminine, plural of śailaśilātulyahetighātāstabhitti

śailaśilātulyahetighātāstabhitti - whose fragments (or walls) are shattered by weapon-blows resembling mountain rocks

Bahuvrihi compound describing elements of the battlefield

Compound type : bahuvrihi (śaila+śilā+tulya+heti+ghāta+asta+bhitti)

• śaila – mountain, rock, peak
  noun (masculine)
• śilā – stone, rock, slab
  noun (feminine)
• tulya – like, equal, similar
  adjective (neuter)
• heti – weapon, missile, projectile
  noun (feminine)
• ghāta – blow, stroke, impact, slaying
  noun (masculine)
  Derived from root han (to strike)
  Root: han (class 2)
• asta – thrown, cast, scattered, sent; set (as sun)
  adjective (masculine)
  Past Passive Participle
  From root as (to throw)
  Root: as (class 4)
• bhitti – breaking, splitting, fragment, piece; wall, partition
  noun (feminine)
  From root bhid (to break)
  Root: bhid (class 7)

Note: The compound behaves as an adjective agreeing with an implied feminine plural noun, or with 'fragments/walls' as the head of the compound.

कुलाचलतटाभीरुविश्रान्तहरिमण्डलाः (kulācalataṭābhīruviśrāntaharimaṇḍalāḥ) - describing the groups of warriors/horses in the battlefield scene (having groups of warriors/horses resting fearlessly on the slopes of chief mountains)

(adjective)

Nominative, masculine, plural of kulācalataṭābhīruviśrāntaharimaṇḍala

kulācalataṭābhīruviśrāntaharimaṇḍala - whose circles (or groups) of warriors/horses rested fearlessly on the slopes of chief mountains

Bahuvrihi compound describing elements of the battlefield

Compound type : bahuvrihi (kulācala+taṭa+abhīru+viśrānta+hari+maṇḍala)

• kulācala – chief mountain, principal mountain
  noun (masculine)
  Compound: kula (family, race, noble) + acala (mountain)
• taṭa – slope, bank, shore, coast
  noun (masculine)
• abhīru – fearless, brave, intrepid
  adjective (masculine)
  Negative compound: a (not) + bhīru (fearful)
• viśrānta – rested, ceased, tranquil, reposed
  adjective (masculine)
  Past Passive Participle
  From root śram (to be weary) with upasarga vi
  Prefix: vi
  Root: śram (class 4)
• hari – lion, horse, monkey, sun, Vishnu, Indra; tawny, yellowish
  noun (masculine)
• maṇḍala – circle, disk, orb; region, troop, assembly, group
  noun (neuter)

Note: The compound behaves as an adjective agreeing with an implied masculine plural noun, or with 'groups' as the head of the compound.