महाभारतः mahābhārataḥ - book-1, chapter-54, verse-7

जनमेजयस्य राजर्षेः स तद्यज्ञसदस्तदा ।
विवेश शिष्यैः सहितो वेदवेदाङ्गपारगैः ॥७॥

7. janamejayasya rājarṣeḥ sa tadyajñasadastadā ,
viveśa śiṣyaiḥ sahito vedavedāṅgapāragaiḥ.

7. janamejayasya rājarṣeḥ saḥ tat yajñasadaḥ tadā
viveśa śiṣyaiḥ sahitaḥ vedavedāṅgapāragaiḥ

7. Then, he, accompanied by his disciples who had mastered the Vedas and their auxiliary branches (Vedangas), entered that sacrificial assembly of the royal sage Janamejaya.

Words meanings summery:

• जनमेजयस्य (janamejayasya) - of Janamejaya

• राजर्षेः (rājarṣeḥ) - of the royal sage

• सः (saḥ) - he, that

• तत् (tat) - that specific (assembly) (that, a certain)

• यज्ञसदः (yajñasadaḥ) - sacrificial assembly/hall

• तदा (tadā) - then, at that time

• विवेश (viveśa) - entered, penetrated

• शिष्यैः (śiṣyaiḥ) - by/with disciples

• सहितः (sahitaḥ) - accompanied by, together with, joined

• वेदवेदाङ्गपारगैः (vedavedāṅgapāragaiḥ) - by those who have mastered the Vedas and Vedangas

Words meanings and morphology

जनमेजयस्य (janamejayasya) - of Janamejaya

(noun)

Genitive, masculine, singular of janamejaya

janamejaya - Janamejaya (name of a king, son of Parikshit)

राजर्षेः (rājarṣeḥ) - of the royal sage

(noun)

Genitive, masculine, singular of rājarṣi

rājarṣi - a royal sage (a king who is also a sage)

Compound type : karmadhāraya (rājan+ṛṣi)

• rājan – king, ruler
  noun (masculine)
• ṛṣi – sage, seer, inspired poet
  noun (masculine)

सः (saḥ) - he, that

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

तत् (tat) - that specific (assembly) (that, a certain)

(pronoun)

Accusative, neuter, singular of tad

tad - that, he, she, it

यज्ञसदः (yajñasadaḥ) - sacrificial assembly/hall

(noun)

Accusative, neuter, singular of yajñasadas

yajñasadas - sacrificial assembly, hall of sacrifice

Compound type : tatpuruṣa (yajña+sadas)

• yajña – sacrifice, offering, worship
  noun (masculine)
  Root: yaj (class 1)
• sadas – assembly, council, seat, dwelling
  noun (neuter)
  Root: sad (class 1)

तदा (tadā) - then, at that time

(indeclinable)

विवेश (viveśa) - entered, penetrated

(verb)

3rd person , singular, active, past perfect (liṭ) of vi-viś

Prefix: vi

Root: viś (class 6)

शिष्यैः (śiṣyaiḥ) - by/with disciples

(noun)

Instrumental, masculine, plural of śiṣya

śiṣya - disciple, pupil, student

agent noun

from root 'śās' (to teach)

Root: śās (class 2)

सहितः (sahitaḥ) - accompanied by, together with, joined

(adjective)

Nominative, masculine, singular of sahita

sahita - accompanied by, together with, connected, endowed with

past passive participle

Prefix: sa

Root: hi (class 5)

वेदवेदाङ्गपारगैः (vedavedāṅgapāragaiḥ) - by those who have mastered the Vedas and Vedangas

(adjective)

Instrumental, masculine, plural of vedavedāṅgapāraga

vedavedāṅgapāraga - one who has crossed to the other shore of the Vedas and Vedangas, master of the Vedas and their auxiliary sciences

Compound type : dvandva-tatpuruṣa (veda+vedāṅga+pāraga)

• veda – Veda, sacred knowledge
  noun (masculine)
  Root: vid (class 2)
• vedāṅga – Vedanga (auxiliary branch of the Vedas)
  noun (neuter)
• pāraga – gone to the other side, crossed, mastered
  adjective (masculine)
  agent noun
  from 'pāra' (other side) + 'ga' (going, from root 'gam')
  Root: gam (class 1)