महाभारतः mahābhārataḥ - book-3, chapter-160, verse-6

एतदाहुर्महेन्द्रस्य राज्ञो वैश्रवणस्य च ।
ऋषयः सर्वधर्मज्ञाः सद्म तात मनीषिणः ॥६॥

6. etadāhurmahendrasya rājño vaiśravaṇasya ca ,
ṛṣayaḥ sarvadharmajñāḥ sadma tāta manīṣiṇaḥ.

6. etat āhuḥ mahendrasya rājñaḥ vaiśravaṇasya ca
ṛṣayaḥ sarvadharmajñāḥ sadma tāta manīṣiṇaḥ

6. O dear one, the wise sages, who are knowers of all natural law (dharma), declare this to be the abode of Mahendra (Indra) and King Vaiśravaṇa (Kubera).

Words meanings summery:

• एतत् (etat) - Refers to the region described in the previous verse. (this)

• आहुः (āhuḥ) - they say, they declare

• महेन्द्रस्य (mahendrasya) - Refers to the deity Indra. (of Mahendra, of great Indra)

• राज्ञः (rājñaḥ) - Refers to Vaiśravaṇa (Kubera). (of the king)

• वैश्रवणस्य (vaiśravaṇasya) - Refers to the deity Kubera. (of Vaiśravaṇa (Kubera))

• च (ca) - and

• ऋषयः (ṛṣayaḥ) - the sages, the seers

• सर्वधर्मज्ञाः (sarvadharmajñāḥ) - knowers of all law (dharma)

• सद्म (sadma) - dwelling, abode, house

• तात (tāta) - A term of affectionate address. (O dear one, O father, O son)

• मनीषिणः (manīṣiṇaḥ) - the wise ones, the thoughtful ones

Words meanings and morphology

एतत् (etat) - Refers to the region described in the previous verse. (this)

(pronoun)

Accusative, neuter, singular of etad

etad - this (pronoun)

आहुः (āhuḥ) - they say, they declare

(verb)

3rd person , plural, active, perfect (lit) of brū

perfect active

Root brū, perfect tense, 3rd person plural (irregular formation from vac, which is equivalent to brū)

Root: vac (class 2)

महेन्द्रस्य (mahendrasya) - Refers to the deity Indra. (of Mahendra, of great Indra)

(proper noun)

Genitive, masculine, singular of mahendra

mahendra - Mahendra (an epithet for Indra), great Indra

Compound type : karmadhāraya (mahant+indra)

• mahant – great, large
  adjective
• indra – Indra (king of gods)
  proper noun (masculine)

राज्ञः (rājñaḥ) - Refers to Vaiśravaṇa (Kubera). (of the king)

(noun)

Genitive, masculine, singular of rājan

rājan - king, ruler

वैश्रवणस्य (vaiśravaṇasya) - Refers to the deity Kubera. (of Vaiśravaṇa (Kubera))

(proper noun)

Genitive, masculine, singular of vaiśravaṇa

vaiśravaṇa - Vaiśravaṇa (Kubera, god of wealth)

च (ca) - and

(indeclinable)

ऋषयः (ṛṣayaḥ) - the sages, the seers

(noun)

Nominative, masculine, plural of ṛṣi

ṛṣi - sage, seer

सर्वधर्मज्ञाः (sarvadharmajñāḥ) - knowers of all law (dharma)

(adjective)

Nominative, masculine, plural of sarvadharmajña

sarvadharmajña - knower of all natural law (dharma), omniscient in regards to duty

Compound type : tatpuruṣa (sarva+dharma+jña)

• sarva – all, every
  adjective
• dharma – natural law, righteousness, duty, virtue, constitution
  noun (masculine)
  Root: dhṛ (class 1)
• jña – knower
  noun (masculine)
  From root jñā (to know)
  Root: jñā (class 9)

सद्म (sadma) - dwelling, abode, house

(noun)

Accusative, neuter, singular of sadman

sadman - dwelling, abode, house

Root: sad (class 1)

Note: Can be nominative or accusative singular neuter.

तात (tāta) - A term of affectionate address. (O dear one, O father, O son)

(noun)

Vocative, masculine, singular of tāta

tāta - dear one, father, son (term of affection)

मनीषिणः (manīṣiṇaḥ) - the wise ones, the thoughtful ones

(adjective)

Nominative, masculine, plural of manīṣin

manīṣin - wise, thoughtful, intelligent