महाभारतः mahābhārataḥ - book-1, chapter-22, verse-4

संप्रनृत्तमिवाकाशं धारोर्मिभिरनेकशः ।
मेघस्तनितनिर्घोषमम्बरं समपद्यत ॥४॥

4. saṁpranṛttamivākāśaṁ dhārormibhiranekaśaḥ ,
meghastanitanirghoṣamambaraṁ samapadyata.

4. saṃpranṛttam iva ākāśam dhārorrmibhiḥ anekaśaḥ
meghastanitanirghoṣam ambaram samapadyata

4. The sky became as if intensely shaking with countless streams of rain, and resonating with the roar of thunder.

Words meanings summery:

• संप्रनृत्तम् (saṁpranṛttam) - intensely shaking/agitated (thoroughly danced, greatly shaken, agitated)

• इव (iva) - as if (as if, like, as)

• आकाशम् (ākāśam) - sky (sky, space)

• धारोर्र्मिभिः (dhārorrmibhiḥ) - by countless rain-streams (by streams/waves of water or rain)

• अनेकशः (anekaśaḥ) - countless, in numerous ways (in many ways, manifold, countless)

• मेघस्तनितनिर्घोषम् (meghastanitanirghoṣam) - resonating with the roar of thunder (resounding with the roar of thunder)

• अम्बरम् (ambaram) - sky (sky, atmosphere, cloth)

• समपद्यत (samapadyata) - became (it became, it turned into)

Words meanings and morphology

संप्रनृत्तम् (saṁpranṛttam) - intensely shaking/agitated (thoroughly danced, greatly shaken, agitated)

(adjective)

neuter, singular of saṃpranṛtta

saṁpranṛtta - thoroughly danced, greatly agitated, shaken violently

past passive participle

Formed from root nṛt with prefixes sam and pra.

Prefixes: sam+pra

Root: nṛt (class 4)

Note: Here used as an adjective modifying ākāśam and ambaram.

इव (iva) - as if (as if, like, as)

(indeclinable)

Note: particle

आकाशम् (ākāśam) - sky (sky, space)

(noun)

neuter, singular of ākāśa

ākāśa - sky, ether, space

Note: Subject of the sentence.

धारोर्र्मिभिः (dhārorrmibhiḥ) - by countless rain-streams (by streams/waves of water or rain)

(noun)

Instrumental, feminine, plural of dhārorrmi

dhārorrmi - water-wave, rain-stream, current

Compound of dhārā (stream, current) and ūrmi (wave).

Compound type : tatpuruṣa (dhārā+ūrmi)

• dhārā – stream, current, flow
  noun (feminine)
• ūrmi – wave, billow, current
  noun (masculine)

Note: Agent of the action saṃpranṛttam.

अनेकशः (anekaśaḥ) - countless, in numerous ways (in many ways, manifold, countless)

(indeclinable)

Formed with suffix śas (manner). aneka means "not one, many".

Note: Modifies saṃpranṛttam or dhārorrmibhiḥ.

मेघस्तनितनिर्घोषम् (meghastanitanirghoṣam) - resonating with the roar of thunder (resounding with the roar of thunder)

(adjective)

neuter, singular of meghastanitanirghoṣa

meghastanitanirghoṣa - thunderous roar of clouds, sound of cloud-roar

Compound of megha (cloud), stanita (roar/sound) and nirghoṣa (loud sound/roar).

Compound type : tatpuruṣa (megha+stanita+nirghoṣa)

• megha – cloud
  noun (masculine)
• stanita – roaring, thunder (as a noun); roared, sounded (as adjective/participle)
  noun/adjective (neuter)
  past passive participle
  From root stan (to roar, thunder)
  Root: stan (class 1)
• nirghoṣa – loud sound, roar, noise
  noun (masculine)
  Prefix: nir
  Root: ghuṣ (class 1)

Note: Agrees with ākāśam and ambaram.

अम्बरम् (ambaram) - sky (sky, atmosphere, cloth)

(noun)

neuter, singular of ambara

ambara - sky, atmosphere, clothing

Note: This is an apposition to ākāśam, both acting as subjects for samapadyata.

समपद्यत (samapadyata) - became (it became, it turned into)

(verb)

3rd person , singular, middle, past imperfect (laṅ) of pad

From root pad with prefix sam.

Prefix: sam

Root: pad (class 4)

Note: The middle voice samapadyata is common for verbs of becoming.