महाभारतः mahābhārataḥ - book-3, chapter-194, verse-19

तौ प्रहस्य हृषीकेशं महावीर्यौ महासुरौ ।
प्रत्यब्रूतां महाराज सहितौ मधुसूदनम् ॥१९॥

19. tau prahasya hṛṣīkeśaṁ mahāvīryau mahāsurau ,
pratyabrūtāṁ mahārāja sahitau madhusūdanam.

19. tau prahasya hṛṣīkeśam mahāvīryau mahāsurau
prati abrūtām mahārāja sahitau madhusūdanam

19. O great king, those two exceedingly powerful great demons, laughing heartily, together replied to Hṛṣīkeśa, the slayer of Madhu.

Words meanings summery:

• तौ (tau) - those two demons (Madhu and Kaiṭabha) (those two)

• प्रहस्य (prahasya) - laughing heartily (having laughed, laughing)

• हृषीकेशम् (hṛṣīkeśam) - to Hṛṣīkeśa (Viṣṇu)

• महावीर्यौ (mahāvīryau) - greatly powerful, exceedingly valorous

• महासुरौ (mahāsurau) - great demons

• प्रति (prati) - to, towards, in return

• अब्रूताम् (abrūtām) - they replied (dual) (they said, they spoke, they replied)

• महाराज (mahārāja) - O great king

• सहितौ (sahitau) - together (accompanied, together with)

• मधुसूदनम् (madhusūdanam) - to the slayer of Madhu (an epithet of Viṣṇu)

Words meanings and morphology

तौ (tau) - those two demons (Madhu and Kaiṭabha) (those two)

(pronoun)

Nominative, masculine, dual of tad

tad - that, those

प्रहस्य (prahasya) - laughing heartily (having laughed, laughing)

(indeclinable)

absolutive

gerund of pra-√has (to laugh)

Prefix: pra

Root: has (class 1)

हृषीकेशम् (hṛṣīkeśam) - to Hṛṣīkeśa (Viṣṇu)

(proper noun)

Accusative, masculine, singular of hṛṣīkeśa

hṛṣīkeśa - lord of the senses, a name for Viṣṇu or Kṛṣṇa

Compound type : bahuvrīhi (hṛṣīka+īśa)

• hṛṣīka – sense organ
  noun (neuter)
• īśa – lord, master
  noun (masculine)

महावीर्यौ (mahāvīryau) - greatly powerful, exceedingly valorous

(adjective)

Nominative, masculine, dual of mahāvīrya

mahāvīrya - greatly powerful, mighty, very valorous

Compound type : bahuvrīhi (mahā+vīrya)

• mahā – great, large, mighty
  adjective
• vīrya – valor, strength, potency, heroism
  noun (neuter)

महासुरौ (mahāsurau) - great demons

(noun)

Nominative, masculine, dual of mahāsura

mahāsura - great demon

Compound type : karma-dhāraya (mahā+asura)

• mahā – great, large, mighty
  adjective
• asura – demon, evil spirit
  noun (masculine)

प्रति (prati) - to, towards, in return

(indeclinable)

अब्रूताम् (abrūtām) - they replied (dual) (they said, they spoke, they replied)

(verb)

3rd person , dual, active, past imperfect (laṅ) of brū

Root: brū (class 2)

Note: Forms 'pratyabrūtām' when combined with 'prati'.

महाराज (mahārāja) - O great king

(noun)

Vocative, masculine, singular of mahārāja

mahārāja - great king, emperor

Compound type : karma-dhāraya (mahā+rājan)

• mahā – great, large, mighty
  adjective
• rājan – king, ruler
  noun (masculine)

सहितौ (sahitau) - together (accompanied, together with)

(adjective)

Nominative, masculine, dual of sahita

sahita - accompanied by, joined with, together with

Past Passive Participle

from sam-√dhā (to place together)

Prefix: sam

Root: dhā (class 3)

मधुसूदनम् (madhusūdanam) - to the slayer of Madhu (an epithet of Viṣṇu)

(proper noun)

Accusative, masculine, singular of madhusūdana

madhusūdana - slayer of the demon Madhu, an epithet of Viṣṇu or Kṛṣṇa

Compound type : tatpuruṣa (madhu+sūdana)

• madhu – a demon, honey, sweetness
  noun (masculine)
• sūdana – destroying, slayer, killer
  noun (masculine)
  agent noun from √sūd (to destroy, kill)
  Root: sūd (class 10)