महाभारतः mahābhārataḥ - book-3, chapter-294, verse-28

यमाहुर्वेदविद्वांसो वराहमजितं हरिम् ।
नारायणमचिन्त्यं च तेन कृष्णेन रक्ष्यते ॥२८॥

28. yamāhurvedavidvāṁso varāhamajitaṁ harim ,
nārāyaṇamacintyaṁ ca tena kṛṣṇena rakṣyate.

28. yam āhuḥ vedavidvāṃsaḥ varāham ajitam harim
nārāyaṇam acintyam ca tena kṛṣṇena rakṣyate

28. He is protected by that Krishna, whom those learned in the Vedas (Vedas) call Varaha, the unconquered Hari, and the inconceivable Narayana.

Words meanings summery:

• यम् (yam) - whom (referring to Krishna) (whom, which)

• आहुः (āhuḥ) - they say, they call

• वेदविद्वांसः (vedavidvāṁsaḥ) - those learned in the Vedas (those knowing the Vedas, Vedic scholars)

• वराहम् (varāham) - Varaha, the Boar Incarnation

• अजितम् (ajitam) - unconquered, invincible

• हरिम् (harim) - Hari (a name of Vishnu)

• नारायणम् (nārāyaṇam) - Narayana (a name of Vishnu)

• अचिन्त्यम् (acintyam) - inconceivable, unthinkable

• च (ca) - and, also

• तेन (tena) - by that (Krishna) (by that, by him)

• कृष्णेन (kṛṣṇena) - by Krishna

• रक्ष्यते (rakṣyate) - is protected, is guarded

Words meanings and morphology

यम् (yam) - whom (referring to Krishna) (whom, which)

(pronoun)

Accusative, masculine, singular of yad

yad - who, which, what, whatever

Relative pronoun

आहुः (āhuḥ) - they say, they call

(verb)

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

Perfect Active

3rd person plural perfect active of root brū (often uses vac as replacement for some forms)

Root: brū (class 2)

वेदविद्वांसः (vedavidvāṁsaḥ) - those learned in the Vedas (those knowing the Vedas, Vedic scholars)

(noun)

Nominative, masculine, plural of vedavidvās

vedavidvās - knower of the Vedas, learned in the Vedas

Compound of veda (Veda) and vidvās (learned, knowing), which itself is a perfect participle of vid.

Compound type : tatpurusha (veda+vidvās)

• veda – sacred knowledge, Veda
  noun (masculine)
  Root: vid (class 2)
• vidvās – knowing, learned, wise one
  adjective (masculine)
  Perfect Active Participle
  Derived from root vid (to know), perfect active participle suffix vas. Used here adjectivally to mean 'one who knows'.
  Root: vid (class 2)

वराहम् (varāham) - Varaha, the Boar Incarnation

(proper noun)

Accusative, masculine, singular of varāha

varāha - boar; Varaha (the boar incarnation of Vishnu)

अजितम् (ajitam) - unconquered, invincible

(adjective)

Accusative, masculine, singular of ajita

ajita - unconquered, invincible, unsubdued

Past Passive Participle (negated)

Derived from root ji (to conquer) with negation prefix a-. Past passive participle suffix kta.

Root: ji (class 1)

हरिम् (harim) - Hari (a name of Vishnu)

(proper noun)

Accusative, masculine, singular of hari

hari - Hari (a name of Vishnu or Krishna), tawny, lion

नारायणम् (nārāyaṇam) - Narayana (a name of Vishnu)

(proper noun)

Accusative, masculine, singular of nārāyaṇa

nārāyaṇa - Narayana (a name of Vishnu, dwelling in the waters or in men)

अचिन्त्यम् (acintyam) - inconceivable, unthinkable

(adjective)

Accusative, masculine, singular of acintya

acintya - inconceivable, unthinkable, beyond thought

Gerundive (negated)

a (negation) + cintya (gerundive of cint 'to think', meaning 'to be thought'). So, 'not to be thought'.

Compound type : nañ-tatpuruṣa (a+cintya)

• a – not, non-
  indeclinable
  Negative prefix
• cintya – to be thought, conceivable
  adjective
  Gerundive
  Derived from root cint (to think), gerundive suffix ya.
  Root: cint (class 10)

च (ca) - and, also

(indeclinable)

तेन (tena) - by that (Krishna) (by that, by him)

(pronoun)

Instrumental, masculine, singular of tad

tad - that, he, she, it

3rd person pronoun, instrumental singular masculine/neuter.

कृष्णेन (kṛṣṇena) - by Krishna

(proper noun)

Instrumental, masculine, singular of kṛṣṇa

kṛṣṇa - Krishna (a name of Vishnu), dark, black

रक्ष्यते (rakṣyate) - is protected, is guarded

(verb)

3rd person , singular, passive, present (laṭ) of rakṣ

Present Passive

3rd person singular present passive of root rakṣ

Root: rakṣ (class 1)