महाभारतः mahābhārataḥ - book-3, chapter-108, verse-8

ततः पपात गगनाद्गङ्गा हिमवतः सुता ।
समुद्भ्रान्तमहावर्ता मीनग्राहसमाकुला ॥८॥

8. tataḥ papāta gaganādgaṅgā himavataḥ sutā ,
samudbhrāntamahāvartā mīnagrāhasamākulā.

8. tataḥ papāta gaganāt gaṅgā himavataḥ sutā
samudbhrāntamahāvartā mīnagrāhasamākulā

8. Then, Ganga, the daughter of Himavat, fell from the sky. She was characterized by massive, swirling whirlpools and teeming with fish and alligators.

Words meanings summery:

• ततः (tataḥ) - thereupon, then, from that

• पपात (papāta) - fell down, descended

• गगनात् (gaganāt) - from the sky, from heaven

• गङ्गा (gaṅgā) - the Ganga river

• हिमवतः (himavataḥ) - of Himavat (the Himalayas), from Himavat

• सुता (sutā) - daughter

• समुद्भ्रान्तमहावर्ता (samudbhrāntamahāvartā) - characterized by massive, swirling whirlpools, having greatly agitated great whirlpools

• मीनग्राहसमाकुला (mīnagrāhasamākulā) - teeming with fish and alligators (or crocodiles), crowded with fish and alligators

Words meanings and morphology

ततः (tataḥ) - thereupon, then, from that

(indeclinable)

suffix -tas applied to tad

पपात (papāta) - fell down, descended

(verb)

3rd person , singular, active, past perfect (liṭ) of pat

Perfect Active

reduplicated perfect

Root: pat (class 1)

गगनात् (gaganāt) - from the sky, from heaven

(noun)

Ablative, neuter, singular of gagana

gagana - sky, heaven, atmosphere

Root: gam (class 1)

गङ्गा (gaṅgā) - the Ganga river

(proper noun)

Nominative, feminine, singular of gaṅgā

gaṅgā - the river Ganga

हिमवतः (himavataḥ) - of Himavat (the Himalayas), from Himavat

(proper noun)

Genitive, masculine, singular of himavat

himavat - the Himalaya mountains, snow-capped

सुता (sutā) - daughter

(noun)

Nominative, feminine, singular of sutā

sutā - daughter

feminine form of suta (son)

Root: sū (class 2)

समुद्भ्रान्तमहावर्ता (samudbhrāntamahāvartā) - characterized by massive, swirling whirlpools, having greatly agitated great whirlpools

(adjective)

Nominative, feminine, singular of samudbhrāntamahāvartā

samudbhrāntamahāvartā - having greatly agitated great whirlpools

compound

Compound type : bahuvrihi (samudbhrānta+mahāvarta)

• samudbhrānta – greatly agitated, whirled about
  adjective
  Past Passive Participle
  saṃ + ud + bhrāntā (from root bhrām/bhram)
  Prefixes: sam+ud
  Root: bhram (class 1)
• mahāvarta – great whirlpool
  noun (masculine)
  mahā (great) + varta (whirlpool)
  Root: vṛt (class 1)

Note: Describing Gaṅgā.

मीनग्राहसमाकुला (mīnagrāhasamākulā) - teeming with fish and alligators (or crocodiles), crowded with fish and alligators

(adjective)

Nominative, feminine, singular of mīnagrāhasamākulā

mīnagrāhasamākulā - crowded with fish and crocodiles

compound

Compound type : bahuvrihi (mīna+grāha+samākula)

• mīna – fish
  noun (masculine)
• grāha – crocodile, alligator, shark, gripper
  noun (masculine)
  from root grah (to seize)
  Root: grah (class 9)
• samākula – crowded, filled, agitated, teeming
  adjective
  sam + ākula
  Prefixes: sam+ā
  Root: kul (class 1)

Note: Describing Gaṅgā.