महाभारतः mahābhārataḥ - book-7, chapter-57, verse-68

ततस्तु तत्सरो गत्वा सूर्यमण्डलसंनिभम् ।
नागमन्तर्जले घोरं ददृशातेऽर्जुनाच्युतौ ॥६८॥

68. tatastu tatsaro gatvā sūryamaṇḍalasaṁnibham ,
nāgamantarjale ghoraṁ dadṛśāte'rjunācyutau.

68. tataḥ tu tat saraḥ gatvā sūryamaṇḍalasaṃnibham
nāgam antar jale ghoram dadṛśāte arjunācyutau

68. tataḥ tu arjunācyutau sūryamaṇḍalasaṃnibham tat
saraḥ gatvā ghoram nāgam antar jale dadṛśāte

68. Then, having gone to that lake, which resembled the solar orb, Arjuna and Acyuta (Krishna) saw a terrible serpent in the water.

Words meanings summery:

• ततः (tataḥ) - then, thence, afterwards

• तु (tu) - but, indeed, however

• तत् (tat) - that

• सरः (saraḥ) - lake, pond

• गत्वा (gatvā) - having gone, having reached

• सूर्यमण्डलसंनिभम् (sūryamaṇḍalasaṁnibham) - resembling the solar orb/disc

• नागम् (nāgam) - serpent, snake

• अन्तर् (antar) - inside, within

• जले (jale) - in the water

• घोरम् (ghoram) - terrible, dreadful, fierce

• ददृशाते (dadṛśāte) - they (two) saw

• अर्जुनाच्युतौ (arjunācyutau) - Arjuna and Acyuta (Krishna)

Words meanings and morphology

ततः (tataḥ) - then, thence, afterwards

(indeclinable)

तु (tu) - but, indeed, however

(indeclinable)

तत् (tat) - that

(pronoun)

Accusative, neuter, singular of tad

tad - that

सरः (saraḥ) - lake, pond

(noun)

Accusative, neuter, singular of saras

saras - lake, pond, pool

गत्वा (gatvā) - having gone, having reached

(indeclinable)

Absolutive (gerund)

From root gam (to go) + ktvā suffix.

Root: gam (class 1)

सूर्यमण्डलसंनिभम् (sūryamaṇḍalasaṁnibham) - resembling the solar orb/disc

(adjective)

Accusative, neuter, singular of sūryamaṇḍalasaṃnibha

sūryamaṇḍalasaṁnibha - resembling the solar orb

Compound type : tatpurusha (sūrya+maṇḍala+saṃnibha)

• sūrya – sun
  noun (masculine)
• maṇḍala – orb, disc, circle
  noun (neuter)
• saṃnibha – resembling, similar to
  adjective (masculine)

नागम् (nāgam) - serpent, snake

(noun)

Accusative, masculine, singular of nāga

nāga - serpent, snake, Nāga (mythical serpentine being)

अन्तर् (antar) - inside, within

(indeclinable)

जले (jale) - in the water

(noun)

Locative, neuter, singular of jala

jala - water

घोरम् (ghoram) - terrible, dreadful, fierce

(adjective)

Accusative, masculine, singular of ghora

ghora - terrible, dreadful, fierce

ददृशाते (dadṛśāte) - they (two) saw

(verb)

3rd person , dual, middle, perfect (Lit) of dṛś

Perfect tense, 3rd dual (ātmanepada)

From root dṛś (to see), perfect tense, reduplicated form.

Root: dṛś (class 1)

अर्जुनाच्युतौ (arjunācyutau) - Arjuna and Acyuta (Krishna)

(proper noun)

Nominative, masculine, dual of arjunācyuta

arjunācyuta - Arjuna and Acyuta (Krishna)

Compound type : dvandva (arjuna+acyuta)

• arjuna – Arjuna (name of a Pandava prince)
  proper noun (masculine)
• acyuta – Acyuta (the unfallen, an epithet of Vishnu/Krishna)
  proper noun (masculine)