महाभारतः mahābhārataḥ - book-5, chapter-92, verse-31

नगमेघप्रतीकाशां ज्वलन्तीमिव तेजसा ।
महेन्द्रसदनप्रख्यां प्रविवेश सभां ततः ॥३१॥

31. nagameghapratīkāśāṁ jvalantīmiva tejasā ,
mahendrasadanaprakhyāṁ praviveśa sabhāṁ tataḥ.

31. nagameghapratīkāśām jvalantīm iva tejasā |
mahendrasadanaprakhyām praviveśa sabhām tataḥ

31. Then he entered the assembly hall, which was renowned like the abode of the great Indra, and appeared like mountains and clouds, shining as if ablaze with splendor.

Words meanings summery:

• नगमेघप्रतीकाशाम् (nagameghapratīkāśām) - resembling mountains and clouds

• ज्वलन्तीम् (jvalantīm) - shining, burning

• इव (iva) - as if, like

• तेजसा (tejasā) - by splendor, with radiance

• महेन्द्रसदनप्रख्याम् (mahendrasadanaprakhyām) - renowned like the abode of Mahendra (Indra)

• प्रविवेश (praviveśa) - he entered

• सभाम् (sabhām) - assembly hall

• ततः (tataḥ) - then, thereafter

Words meanings and morphology

नगमेघप्रतीकाशाम् (nagameghapratīkāśām) - resembling mountains and clouds

(adjective)

Accusative, feminine, singular of nagameghapratīkāśa

nagameghapratīkāśa - resembling mountains and clouds

Compound type : bahuvrihi (naga+megha+pratīkāśa)

• naga – mountain, tree
  noun (masculine)
• megha – cloud
  noun (masculine)
• pratīkāśa – resemblance, likeness, similar to
  adjective (masculine)
  Derived from root kāś with prefix prati, meaning 'appearing like' or 'resembling'.
  Prefix: prati
  Root: kāś (class 1)

ज्वलन्तीम् (jvalantīm) - shining, burning

(adjective)

Accusative, feminine, singular of jvalant

jvalant - shining, burning, blazing

Present Active Participle

Feminine accusative singular of the present active participle of jval.

Root: jval (class 1)

इव (iva) - as if, like

(indeclinable)

तेजसा (tejasā) - by splendor, with radiance

(noun)

Instrumental, neuter, singular of tejas

tejas - splendor, brilliance, energy, fiery spirit

महेन्द्रसदनप्रख्याम् (mahendrasadanaprakhyām) - renowned like the abode of Mahendra (Indra)

(adjective)

Accusative, feminine, singular of mahendrasadanaprakhyā

mahendrasadanaprakhyā - renowned like the abode of Mahendra (Indra)

Compound type : bahuvrihi (mahendra+sadana+prakhyā)

• mahendra – the great Indra, a great lord or king
  proper noun (masculine)
  Karmadharaya compound of 'mahā' (great) and 'indra' (Indra).
• sadana – abode, dwelling, seat
  noun (neuter)
  Root: sad (class 1)
• prakhyā – renown, fame; renowned, famous
  adjective (feminine)
  Derived from root khyā with prefix pra, often used as an adjective meaning 'renowned' or 'similar to'.
  Prefix: pra
  Root: khyā (class 2)

प्रविवेश (praviveśa) - he entered

(verb)

3rd person , singular, active, perfect (Lit) of pra-viś

Prefix: pra

Root: viś (class 6)

सभाम् (sabhām) - assembly hall

(noun)

Accusative, feminine, singular of sabhā

sabhā - assembly, council, court, assembly hall

ततः (tataḥ) - then, thereafter

(indeclinable)