वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-6, chapter-30, verse-18

शिखरं तु त्रिकूटस्य प्रांशु चैकं दिविस्पृशम् ।
समन्तात् पुष्पसंछन्नं महारजतसंनिभम् ॥१८॥

18. śikharaṃ tu trikūṭasya prāṃśu caikaṃ divispṛśam ,
samantāt puṣpasaṃchannaṃ mahārajatasaṃnibham.

18. śikharam tu trikūṭasya prāṃśu ca ekam divispṛśam
samantāt puṣpasaṃchannam mahārajatasaṃnibham

18. trikūṭasya ekam prāṃśu divispṛśam samantāt
puṣpasaṃchannam mahārajatasaṃnibham śikharam tu

18. Indeed, one lofty peak of Trikūṭa, touching the sky, was completely covered with flowers and shone like great silver.

Words meanings summery:

• शिखरम् (śikharam) - peak, summit, top

• तु (tu) - but, indeed, however

• त्रिकूटस्य (trikūṭasya) - (the Trikūṭa mountain, on which Laṅkā is situated) (of Trikūṭa (proper noun))

• प्रांशु (prāṁśu) - lofty, very high, tall

• च (ca) - and

• एकम् (ekam) - one, a single

• दिविस्पृशम् (divispṛśam) - sky-touching, reaching the heavens

• समन्तात् (samantāt) - all around, everywhere

• पुष्पसंछन्नम् (puṣpasaṁchannam) - covered with flowers

• महारजतसंनिभम् (mahārajatasaṁnibham) - resembling great silver

Words meanings and morphology

शिखरम् (śikharam) - peak, summit, top

(noun)

Nominative, neuter, singular of śikhara

śikhara - peak, summit, crest, top

Note: Main subject of the verse.

तु (tu) - but, indeed, however

(indeclinable)

त्रिकूटस्य (trikūṭasya) - (the Trikūṭa mountain, on which Laṅkā is situated) (of Trikūṭa (proper noun))

(proper noun)

Genitive, masculine, singular of trikūṭa

trikūṭa - Trikūṭa (a mountain with three peaks)

Compound type : dvigu (tri+kūṭa)

• tri – three
  numeral
• kūṭa – peak, horn, summit
  noun (masculine/neuter)

Note: Possessive for 'śikharam'.

प्रांशु (prāṁśu) - lofty, very high, tall

(adjective)

Nominative, neuter, singular of prāṃśu

prāṁśu - lofty, tall, high

Note: Modifies 'śikharam'.

च (ca) - and

(indeclinable)

Note: Connects adjectives describing 'śikharam'.

एकम् (ekam) - one, a single

(numeral)

Note: Modifies 'śikharam'.

दिविस्पृशम् (divispṛśam) - sky-touching, reaching the heavens

(adjective)

Nominative, neuter, singular of divispṛś

divispṛś - sky-touching, reaching the heavens

Compound type : tatpuruṣa (div+spṛś)

• div – sky, heaven
  noun (feminine)
• spṛś – touching, reaching
  adjective
  Agent noun/Adjective from root
  From √spṛś (to touch).
  Root: spṛś (class 6)

Note: Modifies 'śikharam'.

समन्तात् (samantāt) - all around, everywhere

(indeclinable)

Avyayībhāva derivative from samanta (all sides).

Note: Modifies 'puṣpasaṃchannam'.

पुष्पसंछन्नम् (puṣpasaṁchannam) - covered with flowers

(adjective)

Nominative, neuter, singular of puṣpasaṃchanna

puṣpasaṁchanna - covered with flowers

Compound type : tatpuruṣa (puṣpa+saṃchanna)

• puṣpa – flower
  noun (neuter)
  Root: puṣ (class 4)
• saṃchanna – covered, veiled, concealed
  adjective
  Past Passive Participle
  From sam-√chad (to cover).
  Prefix: sam
  Root: chad (class 10)

Note: Modifies 'śikharam'.

महारजतसंनिभम् (mahārajatasaṁnibham) - resembling great silver

(adjective)

Nominative, neuter, singular of mahārajatasaṃnibha

mahārajatasaṁnibha - resembling great silver, splendid like silver

Compound type : bahuvrīhi (mahat+rajata+saṃnibha)

• mahat – great, large
  adjective
• rajata – silver, white
  noun/adjective (neuter)
  From √rañj (to color, dye).
  Root: rañj (class 1)
• saṃnibha – resembling, like, similar to
  adjective
  From sam-√bhā (to shine, appear) + ka suffix. Implies 'appearing together' or 'resembling'.
  Prefix: sam
  Root: bhā (class 2)

Note: Modifies 'śikharam'.