महाभारतः mahābhārataḥ - book-5, chapter-48, verse-22

तस्मात्कर्मैव कर्तव्यमिति होवाच नारदः ।
एतद्धि सर्वमाचष्ट वृष्णिचक्रस्य वेदवित् ॥२२॥

22. tasmātkarmaiva kartavyamiti hovāca nāradaḥ ,
etaddhi sarvamācaṣṭa vṛṣṇicakrasya vedavit.

22. tasmāt karma eva kartavyam iti ha uvāca nāradaḥ
etat hi sarvam ācaṣṭa vṛṣṇicakrasya vedavit

22. Therefore, Nārada said, 'Action (karma) alone must be performed.' Indeed, this knower of the Vedas (vedavit) explained everything to the Vṛṣṇi clan.

Words meanings summery:

• तस्मात् (tasmāt) - therefore, from that, for that reason

• कर्म (karma) - action (karma) (action, deed, work, ritual)

• एव (eva) - alone, only, indeed

• कर्तव्यम् (kartavyam) - should be done, is to be done, obligatory

• इति (iti) - thus, so, this

• ह (ha) - indeed, surely

• उवाच (uvāca) - he said, he spoke

• नारदः (nāradaḥ) - Nārada (name of a sage)

• एतत् (etat) - this, that

• हि (hi) - indeed, surely, certainly

• सर्वम् (sarvam) - all, everything

• आचष्ट (ācaṣṭa) - he related, he recounted, he explained

• वृष्णिचक्रस्य (vṛṣṇicakrasya) - of the Vṛṣṇi clan/circle

• वेदवित् (vedavit) - knower of the Vedas, wise person

Words meanings and morphology

तस्मात् (tasmāt) - therefore, from that, for that reason

(indeclinable)

Ablative singular of 'tad' used as an indeclinable.

कर्म (karma) - action (karma) (action, deed, work, ritual)

(noun)

Nominative, neuter, singular of karman

karman - action, deed, work, ritual, destiny (karma)

Derived from root kṛ (to do, make)

Root: kṛ (class 8)

एव (eva) - alone, only, indeed

(indeclinable)

कर्तव्यम् (kartavyam) - should be done, is to be done, obligatory

(adjective)

Nominative, neuter, singular of kartavya

kartavya - to be done, proper to be done, obligatory

Gerundive

Formed from root kṛ (to do) with suffix -tavya

Root: kṛ (class 8)

इति (iti) - thus, so, this

(indeclinable)

ह (ha) - indeed, surely

(indeclinable)

उवाच (uvāca) - he said, he spoke

(verb)

3rd person , singular, active, perfect (liṭ) of vac

Root: vac (class 2)

नारदः (nāradaḥ) - Nārada (name of a sage)

(proper noun)

Nominative, masculine, singular of nārada

nārada - Nārada (a divine sage, messenger of the gods)

एतत् (etat) - this, that

(pronoun)

Nominative, neuter, singular of etas

etas - this, that; these

हि (hi) - indeed, surely, certainly

(indeclinable)

सर्वम् (sarvam) - all, everything

(pronoun)

Accusative, neuter, singular of sarva

sarva - all, every, whole, entire

आचष्ट (ācaṣṭa) - he related, he recounted, he explained

(verb)

3rd person , singular, middle, aorist (luṅ) of cakṣ

Prefix: ā

Root: cakṣ (class 2)

वृष्णिचक्रस्य (vṛṣṇicakrasya) - of the Vṛṣṇi clan/circle

(noun)

Genitive, neuter, singular of vṛṣṇicakra

vṛṣṇicakra - the circle or clan of the Vṛṣṇis

Compound type : tatpuruṣa (vṛṣṇi+cakra)

• vṛṣṇi – name of an ancient Yadu tribe, to which Krishna belonged
  proper noun (masculine)
• cakra – circle, disc, wheel, group, assembly, clan
  noun (neuter)

वेदवित् (vedavit) - knower of the Vedas, wise person

(noun)

Nominative, masculine, singular of vedavid

vedavid - knower of the Vedas, learned in sacred knowledge

Compound type : tatpuruṣa (veda+vid)

• veda – Veda, sacred knowledge, wisdom
  noun (masculine)
  Derived from root vid (to know)
  Root: vid (class 2)
• vid – knower, one who knows
  noun (masculine)
  Derived from root vid (to know)
  Root: vid (class 2)