महाभारतः mahābhārataḥ - book-14, chapter-57, verse-47

हाहाकृतमभूत्सर्वमैरावतनिवेशनम् ।
वासुकिप्रमुखानां च नागानां जनमेजय ॥४७॥

47. hāhākṛtamabhūtsarvamairāvataniveśanam ,
vāsukipramukhānāṁ ca nāgānāṁ janamejaya.

47. hāhākṛtam abhūt sarvam airāvataniveśanam
vāsukipramukhānām ca nāgānām janamejaya

47. janamejaya vāsukipramukhānām ca nāgānām
sarvam airāvataniveśanam hāhākṛtam abhūt

47. O Janamejaya, the entire abode of the Nāgas, including those led by Vāsuki, became filled with cries of distress.

Words meanings summery:

• हाहाकृतम् (hāhākṛtam) - filled with cries of 'hā hā', made a sound of distress, cried out in alarm

• अभूत् (abhūt) - became, was, existed

• सर्वम् (sarvam) - all, entire, whole

• ऐरावतनिवेशनम् (airāvataniveśanam) - the domain of the Nāgas (serpent-beings), specifically those associated with the Airāvata lineage or region (the dwelling/abode of Airavata, the abode of the Airavata-Nāgas)

• वासुकिप्रमुखानाम् (vāsukipramukhānām) - of those headed by Vāsuki, of Vāsuki and others

• च (ca) - and, also

• नागानाम् (nāgānām) - of the mythical serpent-beings (of the serpents, of the Nāgas)

• जनमेजय (janamejaya) - O King Janamejaya, the son of Parikṣit, to whom the Mahābhārata is narrated (O Janamejaya)

Words meanings and morphology

हाहाकृतम् (hāhākṛtam) - filled with cries of 'hā hā', made a sound of distress, cried out in alarm

(adjective)

Nominative, neuter, singular of hāhākṛta

hāhākṛta - made a sound of 'hā hā', cried out in distress

Past Passive Participle

Derived from 'hāhā' (an onomatopoeic cry of distress) + root 'kṛ' (to do, make) with 'kta' suffix.

Root: kṛ (class 8)

Note: Used as a predicative adjective, describing the state of the abode.

अभूत् (abhūt) - became, was, existed

(verb)

3rd person , singular, active, aorist (luṅ) of bhū

Root: bhū (class 1)

सर्वम् (sarvam) - all, entire, whole

(adjective)

Nominative, neuter, singular of sarva

sarva - all, entire, whole

Note: Agrees with 'airāvataniveśanam'.

ऐरावतनिवेशनम् (airāvataniveśanam) - the domain of the Nāgas (serpent-beings), specifically those associated with the Airāvata lineage or region (the dwelling/abode of Airavata, the abode of the Airavata-Nāgas)

(noun)

Nominative, neuter, singular of airāvataniveśana

airāvataniveśana - the dwelling or abode of Airavata

Compound type : ṣaṣṭhī-tatpuruṣa (airāvata+niveśana)

• airāvata – relating to Irāvatī; name of Indra's elephant; name of a class of Nāgas or a Naga territory
  proper noun (masculine)
• niveśana – dwelling, abode, residence, settlement
  noun (neuter)
  Prefix: ni
  Root: viś

वासुकिप्रमुखानाम् (vāsukipramukhānām) - of those headed by Vāsuki, of Vāsuki and others

(adjective)

Genitive, masculine, plural of vāsukipramukha

vāsukipramukha - headed by Vāsuki, having Vāsuki as chief

Compound type : bahuvrīhi (vāsuki+pramukha)

• vāsuki – name of a prominent Nāga (serpent) king
  proper noun (masculine)
• pramukha – chief, principal, foremost, leader
  noun (masculine)
  Prefix: pra
  Root: mukh

Note: Qualifies 'nāgānām'.

च (ca) - and, also

(indeclinable)

नागानाम् (nāgānām) - of the mythical serpent-beings (of the serpents, of the Nāgas)

(noun)

Genitive, masculine, plural of nāga

nāga - serpent, snake; a mythical serpent-being, often with a human head and a snake's body

जनमेजय (janamejaya) - O King Janamejaya, the son of Parikṣit, to whom the Mahābhārata is narrated (O Janamejaya)

(proper noun)

Vocative, masculine, singular of janamejaya

janamejaya - name of a king, son of Parikṣit and great-grandson of Arjuna