महाभारतः mahābhārataḥ - book-4, chapter-65, verse-3

विराटस्य सभां गत्वा भूमिपालासनेष्वथ ।
निषेदुः पावकप्रख्याः सर्वे धिष्ण्येष्विवाग्नयः ॥३॥

3. virāṭasya sabhāṁ gatvā bhūmipālāsaneṣvatha ,
niṣeduḥ pāvakaprakhyāḥ sarve dhiṣṇyeṣvivāgnayaḥ.

3. virāṭasya sabhām gatvā bhūmipālāsaneṣu atha
niṣeduḥ pāvakaprakhyāḥ sarve dhiṣṇyeṣu iva agnayaḥ

3. Having gone to Virāṭa's assembly hall, they then sat down on the royal seats, all of them appearing like blazing fires on their altars.

Words meanings summery:

• विराटस्य (virāṭasya) - of King Virāṭa (of Virāṭa)

• सभाम् (sabhām) - assembly hall (assembly, court, hall)

• गत्वा (gatvā) - having gone

• भूमिपालासनेषु (bhūmipālāsaneṣu) - on the seats of kings, on royal thrones

• अथ (atha) - then, thereupon, and now

• निषेदुः (niṣeduḥ) - they sat down

• पावकप्रख्याः (pāvakaprakhyāḥ) - resembling fire, fire-like, blazing

• सर्वे (sarve) - all of them (the Pāṇḍavas) (all, everyone)

• धिष्ण्येषु (dhiṣṇyeṣu) - on the altars, on the hearths

• इव (iva) - like, as if, as

• अग्नयः (agnayaḥ) - fires

Words meanings and morphology

विराटस्य (virāṭasya) - of King Virāṭa (of Virāṭa)

(proper noun)

Genitive, masculine, singular of virāṭa

virāṭa - Virāṭa (name of a king, ruler of the Matsya kingdom)

सभाम् (sabhām) - assembly hall (assembly, court, hall)

(noun)

Accusative, feminine, singular of sabhā

sabhā - assembly, court, council, meeting hall

गत्वा (gatvā) - having gone

(indeclinable)

Absolutive (Gerund)

Absolutive form of root gam (to go).

Root: gam (class 1)

भूमिपालासनेषु (bhūmipālāsaneṣu) - on the seats of kings, on royal thrones

(noun)

Locative, neuter, plural of bhūmipālāsana

bhūmipālāsana - royal seat, throne (literally: seat of earth-protectors)

Tatpuruṣa compound: bhūmi (earth) + pāla (protector) + āsana (seat).

Compound type : tatpuruṣa (bhūmi+pāla+āsana)

• bhūmi – earth, ground, land
  noun (feminine)
• pāla – protector, guardian, keeper
  noun (masculine)
  Derived from root pā (to protect).
  Root: pā (class 2)
• āsana – seat, sitting, posture
  noun (neuter)
  Derived from root ās (to sit).
  Root: ās (class 2)

अथ (atha) - then, thereupon, and now

(indeclinable)

निषेदुः (niṣeduḥ) - they sat down

(verb)

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

Perfect Active

Perfect tense, 3rd person plural, active voice of root sad with prefix ni.

Prefix: ni

Root: sad (class 1)

पावकप्रख्याः (pāvakaprakhyāḥ) - resembling fire, fire-like, blazing

(adjective)

Nominative, masculine, plural of pāvakaprakhya

pāvakaprakhya - resembling fire, brilliant as fire

Tatpuruṣa compound: pāvaka (fire) + prakhya (resembling).

Compound type : tatpuruṣa (pāvaka+prakhya)

• pāvaka – fire, purifier, pure
  noun (masculine)
• prakhya – resembling, like, similar to
  adjective (masculine)
  Derived from root khyā (to see, perceive, tell) with prefix pra-.
  Prefix: pra
  Root: khyā (class 2)

सर्वे (sarve) - all of them (the Pāṇḍavas) (all, everyone)

(pronoun)

Nominative, masculine, plural of sarva

sarva - all, every, whole, entire

धिष्ण्येषु (dhiṣṇyeṣu) - on the altars, on the hearths

(noun)

Locative, neuter, plural of dhiṣṇya

dhiṣṇya - fire-place, altar, hearth, dwelling, seat

इव (iva) - like, as if, as

(indeclinable)

अग्नयः (agnayaḥ) - fires

(noun)

Nominative, masculine, plural of agni

agni - fire, (personified as) god of fire