महाभारतः mahābhārataḥ - book-3, chapter-157, verse-6

वैशंपायन उवाच ।
एतदात्महितं श्रुत्वा तस्याप्रतिमतेजसः ।
शासनं सततं चक्रुस्तथैव भरतर्षभाः ॥६॥

6. vaiśaṁpāyana uvāca ,
etadātmahitaṁ śrutvā tasyāpratimatejasaḥ ,
śāsanaṁ satataṁ cakrustathaiva bharatarṣabhāḥ.

6. vaiśampāyanaḥ uvāca etat ātmahitam śrutvā tasya
apratimatejasaḥ śāsanam satatam cakruḥ tathā eva bharatarṣabhāḥ

6. Vaiśampāyana said: Having heard this beneficial instruction which was for their own welfare (ātman), from him of unparalleled splendor, the best of the Bharatas (Pandavas) constantly carried it out.

Words meanings summery:

• वैशम्पायनः (vaiśampāyanaḥ) - Vaiśampāyana (a sage)

• उवाच (uvāca) - said; spoke

• एतत् (etat) - this; this (neuter)

• आत्महितम् (ātmahitam) - referring to the welfare of the listeners/Pandavas (beneficial for oneself; one's own welfare)

• श्रुत्वा (śrutvā) - having heard; having listened

• तस्य (tasya) - referring to the giver of the instruction (Vyāsa or similar figure) (of him; of that)

• अप्रतिमतेजसः (apratimatejasaḥ) - describing the giver of instruction (of unparalleled splendor; of incomparable radiance)

• शासनम् (śāsanam) - command; instruction; rule

• सततम् (satatam) - constantly; always; continually

• चक्रुः (cakruḥ) - they did; they made; they performed

• तथा (tathā) - so; thus; in that manner

• एव (eva) - indeed; only; just; exactly

• भरतर्षभाः (bharatarṣabhāḥ) - referring to the Pandavas (chiefs of the Bharatas; best among the Bharatas (Pandavas))

Words meanings and morphology

वैशम्पायनः (vaiśampāyanaḥ) - Vaiśampāyana (a sage)

(proper noun)

Nominative, masculine, singular of vaiśampāyana

vaiśampāyana - name of a celebrated sage, pupil of Vyāsa

उवाच (uvāca) - said; spoke

(verb)

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

Root: vac (class 2)

एतत् (etat) - this; this (neuter)

(pronoun)

Accusative, neuter, singular of etad

etad - this; this (person or thing near)

आत्महितम् (ātmahitam) - referring to the welfare of the listeners/Pandavas (beneficial for oneself; one's own welfare)

(adjective)

Accusative, neuter, singular of ātmahita

ātmahita - beneficial to oneself; one's own welfare or good

Compound type : dative-tatpuruṣa (ātman+hita)

• ātman – self; soul; spirit; the supreme cosmic person (puruṣa)
  noun (masculine)
• hita – beneficial; good; welfare; placed
  adjective (neuter)
  Past Passive Participle
  Derived from root dhā (to place, set)
  Root: dhā (class 3)

श्रुत्वा (śrutvā) - having heard; having listened

(indeclinable)

Absolutive (Gerund)

Absolutive form derived from root śru (to hear)

Root: śru (class 5)

तस्य (tasya) - referring to the giver of the instruction (Vyāsa or similar figure) (of him; of that)

(pronoun)

Genitive, masculine, singular of tad

tad - that; he, she, it; they, those

अप्रतिमतेजसः (apratimatejasaḥ) - describing the giver of instruction (of unparalleled splendor; of incomparable radiance)

(adjective)

Genitive, masculine, singular of apratimatejas

apratimatejas - of unparalleled splendor; having incomparable radiance or power

Compound type : bahuvrīhi (apratima+tejas)

• apratima – incomparable; unparalleled; having no equal
  adjective (masculine)
  A (negation) + pratima (comparison, measure)
• tejas – splendor; radiance; power; energy; spiritual energy
  noun (neuter)

शासनम् (śāsanam) - command; instruction; rule

(noun)

Accusative, neuter, singular of śāsana

śāsana - command; instruction; rule; governance; discipline

Derived from root śās (to command, instruct)

Root: śās (class 2)

सततम् (satatam) - constantly; always; continually

(indeclinable)

Note: Adverbial usage of neuter accusative singular

चक्रुः (cakruḥ) - they did; they made; they performed

(verb)

3rd person , plural, active, past perfect (liṭ) of kṛ

Root: kṛ (class 8)

तथा (tathā) - so; thus; in that manner

(indeclinable)

एव (eva) - indeed; only; just; exactly

(indeclinable)

भरतर्षभाः (bharatarṣabhāḥ) - referring to the Pandavas (chiefs of the Bharatas; best among the Bharatas (Pandavas))

(noun)

Nominative, masculine, plural of bharatarṣabha

bharatarṣabha - chief of the Bharatas; best among the Bharatas; an eminent king of the Bharata dynasty

Compound type : ṣaṣṭhī-tatpuruṣa (bharata+ṛṣabha)

• bharata – name of a legendary king; a descendant of Bharata; a member of the Bharata dynasty
  proper noun (masculine)
• ṛṣabha – bull; chief; excellent; best; leader
  noun (masculine)