महाभारतः mahābhārataḥ - book-2, chapter-33, verse-21

तस्मिन्धर्मविदां श्रेष्ठो धर्मराजस्य धीमतः ।
महाध्वरे महाबुद्धिस्तस्थौ स बहुमानतः ॥२१॥

21. tasmindharmavidāṁ śreṣṭho dharmarājasya dhīmataḥ ,
mahādhvare mahābuddhistasthau sa bahumānataḥ.

21. tasmin dharmavidām śreṣṭhaḥ dharmarājasya dhīmataḥ
mahādhvare mahābuddhiḥ tasthau saḥ bahumānataḥ

21. He (Narada), the greatly intelligent one and the foremost among the knowers of natural law (dharma), stood respectfully in that great sacrifice, alongside the wise Dharmaraja (Yudhishthira).

Words meanings summery:

• तस्मिन् (tasmin) - in that (sacrifice) (in that, in him (masculine/neuter locative singular))

• धर्मविदाम् (dharmavidām) - of the knowers of natural law (dharma)

• श्रेष्ठः (śreṣṭhaḥ) - the best, excellent, superior

• धर्मराजस्य (dharmarājasya) - of Dharmaraja (Yudhishthira) (of Dharmaraja)

• धीमतः (dhīmataḥ) - of the wise, intelligent

• महाध्वरे (mahādhvare) - in the great sacrifice

• महाबुद्धिः (mahābuddhiḥ) - Narada, the greatly intelligent one (great-minded, greatly intelligent)

• तस्थौ (tasthau) - he stood, he remained

• सः (saḥ) - he (Narada) (he, that (masculine, nominative singular))

• बहुमानतः (bahumānataḥ) - with great respect, respectfully

Words meanings and morphology

तस्मिन् (tasmin) - in that (sacrifice) (in that, in him (masculine/neuter locative singular))

(pronoun)

Locative, masculine, singular of tad

tad - that, he, she, it (pronoun/adjective)

धर्मविदाम् (dharmavidām) - of the knowers of natural law (dharma)

(noun)

Genitive, masculine, plural of dharmavid

dharmavid - knower of dharma, knowledgeable in natural law, righteous

Compound of 'dharma' and 'vid' (knower).

Compound type : tatpuruṣa (dharma+vid)

• dharma – natural law, constitution, duty, righteousness, virtue, religious ordinance
  noun (masculine)
  Root: dhṛ (class 1)
• vid – knower, learned, wise
  noun (masculine)
  From root 'vid' (to know).
  Root: vid (class 2)

श्रेष्ठः (śreṣṭhaḥ) - the best, excellent, superior

(adjective)

Nominative, masculine, singular of śreṣṭha

śreṣṭha - best, excellent, most excellent, supreme, chief

Superlative form of 'praśasya' (praiseworthy).

धर्मराजस्य (dharmarājasya) - of Dharmaraja (Yudhishthira) (of Dharmaraja)

(proper noun)

Genitive, masculine, singular of dharmarāja

dharmarāja - king of dharma, righteous king, Yudhishthira (son of Dharma), Yama (god of death)

Compound of 'dharma' and 'rāja' (king).

Compound type : tatpuruṣa (dharma+rāja)

• dharma – natural law, constitution, duty, righteousness, virtue, religious ordinance
  noun (masculine)
  Root: dhṛ (class 1)
• rāja – king, ruler, sovereign
  noun (masculine)
  Root: rāj (class 1)

धीमतः (dhīmataḥ) - of the wise, intelligent

(adjective)

Genitive, masculine, singular of dhīmat

dhīmat - wise, intelligent, sagacious, discerning

Derived from 'dhī' (intellect) with the possessive suffix '-mat'.

Note: Agrees with Dharmaraja

महाध्वरे (mahādhvare) - in the great sacrifice

(noun)

Locative, masculine, singular of mahādhvara

mahādhvara - great sacrifice, large ritual

Compound of 'mahā' (great) and 'adhvara' (sacrifice).

Compound type : karmadhāraya (mahā+adhvara)

• mahā – great, large, mighty
  adjective (feminine)
• adhvara – sacrifice, ritual, non-injuring (from a-dhvara)
  noun (masculine)

महाबुद्धिः (mahābuddhiḥ) - Narada, the greatly intelligent one (great-minded, greatly intelligent)

(adjective)

Nominative, masculine, singular of mahābuddhi

mahābuddhi - great intellect, great understanding, greatly intelligent

Compound of 'mahā' (great) and 'buddhi' (intellect).

Compound type : karmadhāraya (mahā+buddhi)

• mahā – great, large, mighty
  adjective (feminine)
• buddhi – intellect, understanding, reason, intelligence
  noun (feminine)
  From root 'budh' (to know, understand).
  Root: budh (class 1)

Note: Refers to Narada, takes masculine form in nominative singular.

तस्थौ (tasthau) - he stood, he remained

(verb)

3rd person , singular, active, perfect (lit) of sthā

Perfect

From the root 'sthā' (to stand), perfect 3rd person singular.

Root: sthā (class 1)

सः (saḥ) - he (Narada) (he, that (masculine, nominative singular))

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it (pronoun/adjective)

बहुमानतः (bahumānataḥ) - with great respect, respectfully

(indeclinable)

Derived from 'bahumāna' (great respect) with the suffix '-taḥ' indicating 'from, by reason of'.