महाभारतः mahābhārataḥ - book-3, chapter-93, verse-15

तत्र विद्यातपोनित्या ब्राह्मणा वेदपारगाः ।
कथाः प्रचक्रिरे पुण्याः सदसिस्था महात्मनाम् ॥१५॥

15. tatra vidyātaponityā brāhmaṇā vedapāragāḥ ,
kathāḥ pracakrire puṇyāḥ sadasisthā mahātmanām.

15. tatra vidyā-tapas-nityāḥ brāhmaṇāḥ veda-pāragāḥ
kathāḥ pracakrire puṇyāḥ sadasi-sthāḥ mahā-ātmanām

15. There, Brahmins who were constantly engaged in knowledge (vidyā) and asceticism (tapas), and who had mastered the Vedas, told sacred stories (kathā) while seated in the assembly of great souls (mahātman).

Words meanings summery:

• तत्र (tatra) - there, in that place

• विद्या-तपस्-नित्याः (vidyā-tapas-nityāḥ) - constantly devoted to knowledge and asceticism

• ब्राह्मणाः (brāhmaṇāḥ) - Brahmins

• वेद-पारगाः (veda-pāragāḥ) - those who have mastered the Vedas

• कथाः (kathāḥ) - stories, tales, narratives

• प्रचक्रिरे (pracakrire) - they narrated, they composed, they told

• पुण्याः (puṇyāḥ) - sacred, holy, meritorious

• सदसि-स्थाः (sadasi-sthāḥ) - seated in the assembly

• महा-आत्मनाम् (mahā-ātmanām) - of great souls, of noble persons

Words meanings and morphology

तत्र (tatra) - there, in that place

(indeclinable)

From pronominal base 'tad' (that)

विद्या-तपस्-नित्याः (vidyā-tapas-nityāḥ) - constantly devoted to knowledge and asceticism

(adjective)

Nominative, masculine, plural of vidyā-tapas-nitya

vidyā-tapas-nitya - one who is constantly (nitya) engaged in or devoted to knowledge (vidyā) and asceticism (tapas)

Compound type : Tatpuruṣa (vidyā+tapas+nitya)

• vidyā – knowledge, learning, science
  noun (feminine)
  From root √vid (to know)
  Root: √vid (class 2)
• tapas – asceticism, penance, austerity
  noun (neuter)
  From root √tap (to heat, to perform austerities)
  Root: √tap (class 1)
• nitya – constant, perpetual, always, devoted to
  adjective (masculine)

Note: Agrees with brāhmaṇāḥ

ब्राह्मणाः (brāhmaṇāḥ) - Brahmins

(noun)

Nominative, masculine, plural of brāhmaṇa

brāhmaṇa - Brahmin, one belonging to the priestly class

Derived from brahman (Veda, prayer, Brahman)

वेद-पारगाः (veda-pāragāḥ) - those who have mastered the Vedas

(noun)

Nominative, masculine, plural of vedapāraga

vedapāraga - one who has crossed over or mastered the Vedas

Compound type : Tatpuruṣa (veda+pāraga)

• veda – Veda (sacred knowledge)
  noun (masculine)
  From root √vid (to know)
  Root: √vid (class 2)
• pāraga – one who has reached the other shore, proficient, master
  adjective (masculine)
  From pāra (other shore) and √gam (to go)
  Root: √gam (class 1)

Note: Agrees with brāhmaṇāḥ

कथाः (kathāḥ) - stories, tales, narratives

(noun)

Accusative, feminine, plural of kathā

kathā - story, tale, narrative, discourse

From root √kath (to tell)

Root: √kath (class 10)

प्रचक्रिरे (pracakrire) - they narrated, they composed, they told

(verb)

3rd person , plural, middle, perfect (lit) of pracakrire

Perfect Middle 3rd Plural

Prefix: pra

Root: √kṛ (class 8)

पुण्याः (puṇyāḥ) - sacred, holy, meritorious

(adjective)

Accusative, feminine, plural of puṇya

puṇya - sacred, holy, pure, virtuous, meritorious

Note: Agrees with kathāḥ

सदसि-स्थाः (sadasi-sthāḥ) - seated in the assembly

(adjective)

Nominative, masculine, plural of sadasi-stha

sadasi-stha - one who is standing or located in an assembly (sadas)

Compound type : Upapada-Tatpuruṣa (sadas+stha)

• sadas – assembly, council, session
  noun (neuter)
  From root √sad (to sit)
  Root: √sad (class 1)
• stha – standing, staying, situated, existing
  adjective (masculine)
  Agent noun/stem from √sthā
  Derived from root √sthā
  Root: √sthā (class 1)

Note: Agrees with brāhmaṇāḥ

महा-आत्मनाम् (mahā-ātmanām) - of great souls, of noble persons

(noun)

Genitive, masculine, plural of mahātman

mahātman - great-souled, noble-minded, a great being (mahātman)

Compound type : Karmadhāraya (mahā+ātman)

• mahā – great, large, mighty
  adjective
• ātman – self, soul, spirit, essential nature (ātman)
  noun (masculine)