महाभारतः mahābhārataḥ - book-12, chapter-337, verse-15

स पूर्वमुक्त्वा वेदार्थान्भारतार्थांश्च तत्त्ववित् ।
नारायणादिदं जन्म व्याहर्तुमुपचक्रमे ॥१५॥

15. sa pūrvamuktvā vedārthānbhāratārthāṁśca tattvavit ,
nārāyaṇādidaṁ janma vyāhartumupacakrame.

15. sa pūrvam uktvā vedārthān bhāratārthān ca
tattvavit nārāyaṇāt idam janma vyāhartum upacakrame

15. That knower of truth, having previously explained the meanings of the Vedas and the meanings of the Mahābhārata, then began to relate this origin from (Lord) Nārāyaṇa.

Words meanings summery:

• स (sa) - he, that

• पूर्वम् (pūrvam) - before, formerly, previously

• उक्त्वा (uktvā) - having spoken, having said

• वेदार्थान् (vedārthān) - meanings of the Vedas

• भारतार्थान् (bhāratārthān) - meanings of the Mahābhārata

• च (ca) - and, also

• तत्त्ववित् (tattvavit) - knower of truth, expert in realities

• नारायणात् (nārāyaṇāt) - from Nārāyaṇa

• इदम् (idam) - this

• जन्म (janma) - birth, origin, existence

• व्याहर्तुम् (vyāhartum) - to relate, to explain, to utter

• उपचक्रमे (upacakrame) - began, undertook

Words meanings and morphology

स (sa) - he, that

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

पूर्वम् (pūrvam) - before, formerly, previously

(indeclinable)

उक्त्वा (uktvā) - having spoken, having said

(indeclinable)

absolutive (gerund)

Derived from root vac (to speak) with -tvā suffix.

Root: vac (class 2)

वेदार्थान् (vedārthān) - meanings of the Vedas

(noun)

Accusative, masculine, plural of vedārtha

vedārtha - meaning of the Veda, purpose of the Veda

Compound type : tatpuruṣa (veda+artha)

• veda – Veda, sacred knowledge
  noun (masculine)
  Root: vid (class 2)
• artha – meaning, purpose, object, wealth
  noun (masculine)

भारतार्थान् (bhāratārthān) - meanings of the Mahābhārata

(noun)

Accusative, masculine, plural of bhāratārtha

bhāratārtha - meaning of the Mahābhārata, purpose of the Mahābhārata

Compound type : tatpuruṣa (bhārata+artha)

• bhārata – relating to Bharata, the Mahābhārata
  proper noun (masculine)
• artha – meaning, purpose, object, wealth
  noun (masculine)

च (ca) - and, also

(indeclinable)

तत्त्ववित् (tattvavit) - knower of truth, expert in realities

(noun)

Nominative, masculine, singular of tattvavit

tattvavit - knower of truth, one who knows the true nature of things

Compound type : tatpuruṣa (tattva+vit)

• tattva – truth, reality, principle, essence
  noun (neuter)
• vit – knower, understanding
  noun (masculine)
  Derived from root vid (to know).
  Root: vid (class 2)

नारायणात् (nārāyaṇāt) - from Nārāyaṇa

(proper noun)

Ablative, masculine, singular of nārāyaṇa

nārāyaṇa - Lord Nārāyaṇa, a name of Viṣṇu

इदम् (idam) - this

(pronoun)

Accusative, neuter, singular of idam

idam - this, this one

जन्म (janma) - birth, origin, existence

(noun)

Accusative, neuter, singular of janman

janman - birth, origin, production, existence

Root: jan (class 4)

व्याहर्तुम् (vyāhartum) - to relate, to explain, to utter

(indeclinable)

infinitive

Derived from root hṛ with prefixes vi and ā.

Prefixes: vi+ā

Root: hṛ (class 1)

उपचक्रमे (upacakrame) - began, undertook

(verb)

3rd person , singular, middle, perfect (lit) of upacakrame

perfect

Derived from root kram (to step, go) with prefix upa.

Prefix: upa

Root: kram (class 1)