वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-4, chapter-38, verse-24

ततः कोटिसहस्राणां सहस्रेण शतेन च ।
पृष्ठतो ऽनुगतः प्राप्तो हरिभिर्गन्धमादनः ॥२४॥

24. tataḥ koṭisahasrāṇāṃ sahasreṇa śatena ca ,
pṛṣṭhato'nugataḥ prāpto haribhirgandhamādanaḥ.

24. tataḥ koṭisahasrāṇām sahasreṇa śatena ca
pṛṣṭhataḥ anugataḥ prāptaḥ haribhiḥ gandhamādanaḥ

24. tataḥ gandhamādanaḥ pṛṣṭhataḥ koṭisahasrāṇām
sahasreṇa śatena ca haribhiḥ anugataḥ prāptaḥ

24. Then Gandhamādana arrived, followed from behind by an army of monkeys numbering eleven hundred (1100) thousand crores (1.1 x 10^13).

Words meanings summery:

• ततः (tataḥ) - then (then, thereupon, from there)

• कोटिसहस्राणाम् (koṭisahasrāṇām) - of thousands of crores

• सहस्रेण (sahasreṇa) - by a thousand

• शतेन (śatena) - by a hundred

• च (ca) - and

• पृष्ठतः (pṛṣṭhataḥ) - from behind, in the rear

• अनुगतः (anugataḥ) - followed (followed, gone after)

• प्राप्तः (prāptaḥ) - arrived (arrived, obtained, reached)

• हरिभिः (haribhiḥ) - by monkeys

• गन्धमादनः (gandhamādanaḥ) - Gandhamādana (monkey chief) (Gandhamādana (a mythical mountain, or a monkey chief))

Words meanings and morphology

ततः (tataḥ) - then (then, thereupon, from there)

(indeclinable)

कोटिसहस्राणाम् (koṭisahasrāṇām) - of thousands of crores

(noun)

Genitive, neuter, plural of koṭisahasra

koṭisahasra - a thousand crores (10^10)

Compound type : tatpurusha (koṭi+sahasra)

• koṭi – crore (ten million, 10^7)
  noun (feminine)
• sahasra – thousand
  noun (neuter)

सहस्रेण (sahasreṇa) - by a thousand

(noun)

Instrumental, neuter, singular of sahasra

sahasra - thousand

शतेन (śatena) - by a hundred

(noun)

Instrumental, neuter, singular of śata

śata - hundred

च (ca) - and

(indeclinable)

पृष्ठतः (pṛṣṭhataḥ) - from behind, in the rear

(indeclinable)

अनुगतः (anugataḥ) - followed (followed, gone after)

(adjective)

Nominative, masculine, singular of anugata

anugata - followed, gone after

Past Passive Participle

Derived from the root gam (to go) with the prefix anu-

Prefix: anu

Root: gam (class 1)

प्राप्तः (prāptaḥ) - arrived (arrived, obtained, reached)

(adjective)

Nominative, masculine, singular of prāpta

prāpta - obtained, reached, arrived

Past Passive Participle

Derived from the root āp (to obtain) with the prefix pra-

Prefix: pra

Root: āp (class 5)

हरिभिः (haribhiḥ) - by monkeys

(noun)

Instrumental, masculine, plural of hari

hari - monkey, tawny, Vishnu

गन्धमादनः (gandhamādanaḥ) - Gandhamādana (monkey chief) (Gandhamādana (a mythical mountain, or a monkey chief))

(proper noun)

Nominative, masculine, singular of gandhamādana

gandhamādana - Gandhamādana (a mythical fragrant mountain, or name of a monkey chief)