वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-4, chapter-39, verse-51

तत्र योजनविस्तारमुच्छ्रितं दशयोजनम् ।
शृङ्गं सौमनसं नाम जातरूपमयं ध्रुवम् ॥५१॥

51. tatra yojanavistāramucchritaṃ daśayojanam ,
śṛṅgaṃ saumanasaṃ nāma jātarūpamayaṃ dhruvam.

51. tatra yojanavistāram ucchritam daśayojanam
śṛṅgam saumanasam nāma jātarūpamayam dhruvam

51. tatra dhruvam jātarūpamayam saumanasam nāma
śṛṅgam yojanavistāram daśayojanam ucchritam

51. There, a firm golden peak, named Saumanasa, stands, being one yojana in width and ten yojanas in height.

Words meanings summery:

• तत्र (tatra) - on that (Meru mountain) (there, in that place)

• योजनविस्तारम् (yojanavistāram) - one yojana in width (having the width of a yojana, one yojana in breadth)

• उच्छ्रितम् (ucchritam) - high (in height) (elevated, high, raised)

• दशयोजनम् (daśayojanam) - ten yojanas in height (ten yojanas (high/long), having ten yojanas)

• शृङ्गम् (śṛṅgam) - a mountain peak (peak, summit, horn)

• सौमनसम् (saumanasam) - (the peak) named Saumanasa (relating to good mind, auspicious, named Saumanasa)

• नाम (nāma) - named (Saumanasa) (by name, indeed, verily)

• जातरूपमयम् (jātarūpamayam) - made of gold (made of gold, golden)

• ध्रुवम् (dhruvam) - firm, enduring (firm, fixed, constant, permanent)

Words meanings and morphology

तत्र (tatra) - on that (Meru mountain) (there, in that place)

(indeclinable)

derived from tad (that) + tral suffix

योजनविस्तारम् (yojanavistāram) - one yojana in width (having the width of a yojana, one yojana in breadth)

(adjective)

Nominative, neuter, singular of yojanavistāra

yojanavistāra - a width of a yojana, one yojana wide

Compound type : tatpuruṣa (yojana+vistāra)

• yojana – a measure of distance (approx. 8-16 km), a stage, a league
  noun (neuter)
  Root: yuj (class 7)
• vistāra – extent, breadth, width, expansion
  noun (masculine)
  Prefix: vi
  Root: stṛ (class 5)

Note: The form could be nominative or accusative singular neuter. Given it describes śṛṅgam (neuter nominative), nominative is more likely.

उच्छ्रितम् (ucchritam) - high (in height) (elevated, high, raised)

(adjective)

Nominative, neuter, singular of ucchrita

ucchrita - raised, elevated, high

Past Passive Participle

From root śri (to lean on, to resort to) with upasarga ud (up), past passive participle.

Prefix: ud

Root: śri (class 1)

Note: Matches śṛṅgam in gender, number, case.

दशयोजनम् (daśayojanam) - ten yojanas in height (ten yojanas (high/long), having ten yojanas)

(adjective)

Nominative, neuter, singular of daśayojana

daśayojana - ten yojanas

Compound type : dvigu (daśa+yojana)

• daśa – ten
  numeral
• yojana – a measure of distance (approx. 8-16 km), a stage, a league
  noun (neuter)
  Root: yuj (class 7)

Note: Matches śṛṅgam in gender, number, case.

शृङ्गम् (śṛṅgam) - a mountain peak (peak, summit, horn)

(noun)

Nominative, neuter, singular of śṛṅga

śṛṅga - horn, peak, summit, top

Note: Subject of the implied verb 'asti' (is).

सौमनसम् (saumanasam) - (the peak) named Saumanasa (relating to good mind, auspicious, named Saumanasa)

(proper noun)

Nominative, neuter, singular of saumanasa

saumanasa - relating to good mind, auspicious, propitious; a proper name (of a mountain)

Derived from sumanas (good-minded) + aṇ (patronymic/relational suffix)

Note: Matches śṛṅgam in gender, number, case.

नाम (nāma) - named (Saumanasa) (by name, indeed, verily)

(indeclinable)

From root jñā (to know) / nam (to bow), related to nominal forms.

जातरूपमयम् (jātarūpamayam) - made of gold (made of gold, golden)

(adjective)

Nominative, neuter, singular of jātarūpamaya

jātarūpamaya - made of gold, golden

From jātarūpa (gold) + mayat (made of, consisting of) suffix

Compound type : tatpuruṣa (jātarūpa)

• jātarūpa – gold, natural form, beauty
  noun (neuter)
• maya – made of, consisting of
  suffix
  Mayat suffix forming an adjective indicating material.

Note: Matches śṛṅgam in gender, number, case.

ध्रुवम् (dhruvam) - firm, enduring (firm, fixed, constant, permanent)

(adjective)

Nominative, neuter, singular of dhruva

dhruva - fixed, firm, constant, permanent, certain

From root dhru (to be firm) + va suffix

Root: dhru (class 1)

Note: Matches śṛṅgam in gender, number, case.