महाभारतः mahābhārataḥ - book-5, chapter-151, verse-6

श्रुत्वैतद्धर्मराजस्य धर्मार्थसहितं वचः ।
मेघदुन्दुभिनिर्घोषः कृष्णो वचनमब्रवीत् ॥६॥

6. śrutvaitaddharmarājasya dharmārthasahitaṁ vacaḥ ,
meghadundubhinirghoṣaḥ kṛṣṇo vacanamabravīt.

6. śrutvā etat dharmarājasya dharmārthasahitam vacaḥ
meghadundubhinirghoṣaḥ kṛṣṇaḥ vacanam abravīt

6. etat dharmarājasya dharmārthasahitam vacaḥ śrutvā
meghadundubhinirghoṣaḥ kṛṣṇaḥ vacanam abravīt

6. Having heard these words of the king of righteousness (dharma), words filled with constitutional principles (dharma) and purpose, Krishna, whose voice resembled the roar of a cloud-drum, spoke.

Words meanings summery:

• श्रुत्वा (śrutvā) - having heard

• एतत् (etat) - this

• धर्मराजस्य (dharmarājasya) - Of Yudhishthira, who is known as Dharmaraja. (of the king of righteousness (dharma))

• धर्मार्थसहितम् (dharmārthasahitam) - endowed with righteousness (dharma) and purpose, containing constitutional principles and meaning

• वचः (vacaḥ) - word, speech

• मेघदुन्दुभिनिर्घोषः (meghadundubhinirghoṣaḥ) - Refers to Krishna's deep, resonant voice. (whose sound is like a cloud-drum, with a voice like a rumbling cloud and drum)

• कृष्णः (kṛṣṇaḥ) - Krishna

• वचनम् (vacanam) - word, speech, utterance

• अब्रवीत् (abravīt) - spoke, said

Words meanings and morphology

श्रुत्वा (śrutvā) - having heard

(indeclinable)

absolutive

Indeclinable participle from root śru

Root: śru (class 5)

एतत् (etat) - this

(pronoun)

Accusative, neuter, singular of etad

etad - this, this one

धर्मराजस्य (dharmarājasya) - Of Yudhishthira, who is known as Dharmaraja. (of the king of righteousness (dharma))

(noun)

Genitive, masculine, singular of dharmarāja

dharmarāja - king of dharma, king of righteousness

Compound type : tatpurusha (dharma+rāja)

• dharma – righteousness, natural law, constitution, duty, virtue
  noun (masculine)
  Root: dhṛ (class 1)
• rāja – king, ruler
  noun (masculine)
  Root: rāj (class 1)

धर्मार्थसहितम् (dharmārthasahitam) - endowed with righteousness (dharma) and purpose, containing constitutional principles and meaning

(adjective)

Accusative, neuter, singular of dharmārthasahita

dharmārthasahita - accompanied by dharma and artha (purpose/wealth), consonant with righteousness and purpose

Compound type : bahuvrihi (dharma+artha+sahita)

• dharma – righteousness, natural law, constitution, duty, virtue
  noun (masculine)
  Root: dhṛ (class 1)
• artha – purpose, meaning, wealth, object
  noun (masculine)
• sahita – accompanied by, connected with, joined
  adjective (masculine)
  past passive participle
  Derived from root sah (to bear) with upasarga sa
  Prefix: sa
  Root: sah (class 1)

वचः (vacaḥ) - word, speech

(noun)

Accusative, neuter, singular of vacas

vacas - word, speech, saying

Root: vac (class 2)

मेघदुन्दुभिनिर्घोषः (meghadundubhinirghoṣaḥ) - Refers to Krishna's deep, resonant voice. (whose sound is like a cloud-drum, with a voice like a rumbling cloud and drum)

(noun)

Nominative, masculine, singular of meghadundubhinirghoṣa

meghadundubhinirghoṣa - having the sound of a cloud-drum

Compound type : bahuvrihi (megha+dundubhi+nirghoṣa)

• megha – cloud
  noun (masculine)
  Root: megh (class 1)
• dundubhi – drum, war-drum
  noun (masculine)
• nirghoṣa – sound, roar, noise
  noun (masculine)
  Prefix: nir
  Root: ghuṣ (class 1)

कृष्णः (kṛṣṇaḥ) - Krishna

(proper noun)

Nominative, masculine, singular of kṛṣṇa

kṛṣṇa - Krishna (a proper name), dark, black

वचनम् (vacanam) - word, speech, utterance

(noun)

Accusative, neuter, singular of vacana

vacana - speaking, word, speech, saying

Root: vac (class 2)

अब्रवीत् (abravīt) - spoke, said

(verb)

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

Root: brū (class 2)