वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-6, chapter-59, verse-17

त्रिणतं मेघनिर्ह्रादं हेमपृष्ठमलंकृतम् ।
शतक्रतुधनुःप्रख्यं धनुश्चास्य विराजते ॥१७॥

17. triṇataṃ meghanirhrādaṃ hemapṛṣṭhamalaṃkṛtam ,
śatakratudhanuḥprakhyaṃ dhanuścāsya virājate.

17. triṇatam meghanirhrādam hemapṛṣṭham alaṅkṛtam
śatakratudhanuḥprakhyam dhanuḥ ca asya virājate

17. asya triṇatam meghanirhrādam hemapṛṣṭham alaṅkṛtam
śatakratudhanuḥprakhyam dhanuḥ ca virājate

17. His bow, thrice-bent, resounding like a thundercloud, adorned with a golden back, and resembling Indra's bow, shines forth.

Words meanings summery:

• त्रिणतम् (triṇatam) - thrice-bent, thrice-curved

• मेघनिर्ह्रादम् (meghanirhrādam) - having the roar of a cloud, thundering

• हेमपृष्ठम् (hemapṛṣṭham) - having a golden back

• अलङ्कृतम् (alaṅkṛtam) - adorned, decorated

• शतक्रतुधनुःप्रख्यम् (śatakratudhanuḥprakhyam) - resembling the bow of Śatakratu (Indra)

• धनुः (dhanuḥ) - bow

• च (ca) - and

• अस्य (asya) - his, its

• विराजते (virājate) - shines forth, appears splendid

Words meanings and morphology

त्रिणतम् (triṇatam) - thrice-bent, thrice-curved

(adjective)

Nominative, neuter, singular of triṇata

triṇata - thrice-bent, thrice-curved

Compound type : tatpuruṣa (tri+nata)

• tri – three
  numeral
• nata – bent, bowed, inclined
  adjective (neuter)
  Past Passive Participle
  Root: nam (class 1)

मेघनिर्ह्रादम् (meghanirhrādam) - having the roar of a cloud, thundering

(adjective)

Nominative, neuter, singular of meghanirhrāda

meghanirhrāda - sound like a cloud, thunderous roar

Compound type : bahuvrīhi (megha+nirhrāda)

• megha – cloud
  noun (masculine)
• nirhrāda – roar, loud sound
  noun (masculine)
  Prefix: nir
  Root: hrād (class 1)

हेमपृष्ठम् (hemapṛṣṭham) - having a golden back

(adjective)

Nominative, neuter, singular of hemapṛṣṭha

hemapṛṣṭha - having a golden back, gold-backed

Compound type : bahuvrīhi (heman+pṛṣṭha)

• heman – gold
  noun (neuter)
• pṛṣṭha – back, surface, rear
  noun (neuter)

अलङ्कृतम् (alaṅkṛtam) - adorned, decorated

(adjective)

Nominative, neuter, singular of alaṅkṛta

alaṅkṛta - adorned, decorated, ornamented

Past Passive Participle

Prefix: alam

Root: kṛ (class 8)

शतक्रतुधनुःप्रख्यम् (śatakratudhanuḥprakhyam) - resembling the bow of Śatakratu (Indra)

(adjective)

Nominative, neuter, singular of śatakratudhanuḥprakhya

śatakratudhanuḥprakhya - resembling the bow of Indra

Compound type : tatpuruṣa (śatakratudhanus+prakhya)

• śatakratudhanus – bow of Indra
  noun (neuter)
• prakhya – resembling, similar to, appearing like
  adjective (masculine)
  Prefix: pra
  Root: khyā (class 2)

धनुः (dhanuḥ) - bow

(noun)

Nominative, neuter, singular of dhanus

dhanus - bow

च (ca) - and

(indeclinable)

अस्य (asya) - his, its

(pronoun)

Genitive, masculine, singular of idam

idam - this, this one

विराजते (virājate) - shines forth, appears splendid

(verb)

3rd person , singular, active, present (laṭ) of virājate

Prefix: vi

Root: rāj (class 1)