महाभारतः mahābhārataḥ - book-3, chapter-268, verse-25

करभारुणगात्राणां हरीणां युद्धशालिनाम् ।
कोटीशतसहस्रेण लङ्कामभ्यपतत्तदा ॥२५॥

25. karabhāruṇagātrāṇāṁ harīṇāṁ yuddhaśālinām ,
koṭīśatasahasreṇa laṅkāmabhyapatattadā.

25. karabhāruṇagātrāṇām harīṇām yuddhaśālinām
koṭīśatasahasreṇa laṅkām abhyapatat tadā

25. Then, with a trillion valorous monkeys, whose bodies were reddish, they attacked Lanka.

Words meanings summery:

• करभारुणगात्राणाम् (karabhāruṇagātrāṇām) - of those whose bodies were reddish (from exertion or dust) (of those whose bodies are reddish like `karabha`)

• हरीणाम् (harīṇām) - of the monkeys

• युद्धशालिनाम् (yuddhaśālinām) - of those excelling in battle, of the valorous in war

• कोटीशतसहस्रेण (koṭīśatasahasreṇa) - by one trillion, by one hundred thousand crores

• लङ्काम् (laṅkām) - to Lanka

• अभ्यपतत् (abhyapatat) - attacked, rushed towards, fell upon

• तदा (tadā) - then, at that time

Words meanings and morphology

करभारुणगात्राणाम् (karabhāruṇagātrāṇām) - of those whose bodies were reddish (from exertion or dust) (of those whose bodies are reddish like `karabha`)

(adjective)

Genitive, masculine, plural of karabhāruṇagātra

karabhāruṇagātra - having reddish bodies like a karabha (elephant's trunk, hand, camel, sun's ray)

Compound type : bahuvrihi (karabha+aruṇa+gātra)

• karabha – elephant's trunk, hand, camel, sun's ray
  noun (masculine)
• aruṇa – reddish, dawn-red, tawny
  adjective (masculine)
• gātra – body, limb
  noun (neuter)

Note: modifies 'harīṇām'

हरीणाम् (harīṇām) - of the monkeys

(noun)

Genitive, masculine, plural of hari

hari - monkey, lion, Vishnu, Indra

युद्धशालिनाम् (yuddhaśālinām) - of those excelling in battle, of the valorous in war

(adjective)

Genitive, masculine, plural of yuddhaśālin

yuddhaśālin - excelling in battle, valorous in war

Compound type : tatpurusha (yuddha+śālin)

• yuddha – battle, war, fight
  noun (neuter)
  Root: yudh (class 4)
• śālin – endowed with, possessed of, excelling in
  adjective (masculine)
  suffix -in
  Root: śāl (class 1)

Note: modifies 'harīṇām'

कोटीशतसहस्रेण (koṭīśatasahasreṇa) - by one trillion, by one hundred thousand crores

(noun)

Instrumental, neuter, singular of koṭīśatasahasra

koṭīśatasahasra - one trillion (10^12), one hundred thousand times ten million

Compound type : tatpurusha (koṭī+śata+sahasra)

• koṭi – ten million, crore
  noun (feminine)
• śata – hundred
  numeral (neuter)
• sahasra – thousand
  numeral (neuter)

Note: used adverbially to indicate 'with a trillion'

लङ्काम् (laṅkām) - to Lanka

(proper noun)

Accusative, feminine, singular of laṅkā

laṅkā - Lanka (proper noun, name of a city/island)

अभ्यपतत् (abhyapatat) - attacked, rushed towards, fell upon

(verb)

3rd person , singular, active, past imperfect (laṅ) of abhyapat

Imperfect active 3rd singular

a- augment, root pat, -at ending

Prefix: abhi

Root: pat (class 1)

तदा (tadā) - then, at that time

(indeclinable)