महाभारतः mahābhārataḥ - book-6, chapter-16, verse-45

उन्मत्तमकरावर्तौ महाग्राहसमाकुलौ ।
युगान्ते समुपेतौ द्वौ दृश्येते सागराविव ॥४५॥

45. unmattamakarāvartau mahāgrāhasamākulau ,
yugānte samupetau dvau dṛśyete sāgarāviva.

45. unmattamakarāvartau mahāgrāhasamākulau
yugānte samupetau dvau dṛśyete sāgarau iva

45. dvau unmattamakarāvartau mahāgrāhasamākulau
yugānte samupetau sāgarau iva dṛśyete

45. They both appear like two oceans – tumultuous with frenzied crocodiles creating whirlpools and teeming with mighty aquatic monsters – that have converged at the end of a cosmic age.

Words meanings summery:

• उन्मत्तमकरावर्तौ (unmattamakarāvartau) - describing the tumultuous nature of the two oceans (with furious crocodiles and whirlpools, tumultuous with frenzied crocodiles and whirlpools)

• महाग्राहसमाकुलौ (mahāgrāhasamākulau) - describing the state of the two oceans (agitated by great aquatic monsters, teeming with mighty sharks/monsters)

• युगान्ते (yugānte) - at the end of an age, at the dissolution of the world

• समुपेतौ (samupetau) - having converged (like two oceans) (come together, united, approached)

• द्वौ (dvau) - the two of them (referring to the implied subjects) (two)

• दृश्येते (dṛśyete) - they are seen, they appear

• सागरौ (sāgarau) - two oceans

• इव (iva) - like, as if, as

Words meanings and morphology

उन्मत्तमकरावर्तौ (unmattamakarāvartau) - describing the tumultuous nature of the two oceans (with furious crocodiles and whirlpools, tumultuous with frenzied crocodiles and whirlpools)

(adjective)

Nominative, masculine, dual of unmattamakarāvarta

unmattamakarāvarta - characterized by frenzied crocodiles and whirlpools

Compound type : Bahuvrīhi (unmatta+makara+āvarta)

• unmatta – frenzied, furious, mad
  adjective (masculine)
  Past Passive Participle
  Derived from root mad (to be exhilarated, drunk, mad) with prefix ud.
  Prefix: ud
  Root: mad (class 4)
• makara – crocodile, sea-monster, a mythical aquatic creature
  noun (masculine)
• āvarta – whirlpool, eddy, convolution
  noun (masculine)
  Derived from root vṛt (to turn, revolve) with prefix ā.
  Prefix: ā
  Root: vṛt (class 1)

महाग्राहसमाकुलौ (mahāgrāhasamākulau) - describing the state of the two oceans (agitated by great aquatic monsters, teeming with mighty sharks/monsters)

(adjective)

Nominative, masculine, dual of mahāgrāhasamākula

mahāgrāhasamākula - agitated by great aquatic monsters

Compound type : Tatpurusha (mahāgrāha+samākula)

• mahāgrāha – great aquatic monster, large shark
  noun (masculine)
• samākula – agitated, crowded, full of, perplexed
  adjective (masculine)
  Past Passive Participle
  Derived from root kul (to crowd, mix) with prefixes sam-ā.
  Prefixes: sam+ā
  Root: kul (class 1)

युगान्ते (yugānte) - at the end of an age, at the dissolution of the world

(noun)

Locative, masculine, singular of yugānta

yugānta - end of a yuga (cosmic age), end of an epoch

Compound type : Tatpurusha (yuga+anta)

• yuga – age, epoch, yoke, pair
  noun (masculine)
• anta – end, limit, boundary
  noun (masculine)

समुपेतौ (samupetau) - having converged (like two oceans) (come together, united, approached)

(adjective)

Nominative, masculine, dual of samupeta

samupeta - come near, approached, met, united

Past Passive Participle

Derived from root i (to go) with prefixes sam-upa.

Prefixes: sam+upa

Root: i (class 2)

द्वौ (dvau) - the two of them (referring to the implied subjects) (two)

(numeral)

दृश्येते (dṛśyete) - they are seen, they appear

(verb)

3rd person , dual, passive, present (lat) of dṛś

Root: dṛś (class 1)

सागरौ (sāgarau) - two oceans

(noun)

Nominative, masculine, dual of sāgara

sāgara - ocean, sea

इव (iva) - like, as if, as

(indeclinable)