महाभारतः mahābhārataḥ - book-13, chapter-112, verse-8

ततो धर्मसुतो राजा भगवन्तं बृहस्पतिम् ।
उपगम्य यथान्यायं प्रश्नं पप्रच्छ सुव्रतः ॥८॥

8. tato dharmasuto rājā bhagavantaṁ bṛhaspatim ,
upagamya yathānyāyaṁ praśnaṁ papraccha suvrataḥ.

8. tataḥ dharmasutaḥ rājā bhagavantam bṛhaspatim
upagamya yathānyāyam praśnam papraccha suvrataḥ

8. tataḥ dharmasutaḥ suvrataḥ rājā bhagavantam
bṛhaspatim upagamya yathānyāyam praśnam papraccha

8. Then the virtuous King Yudhiṣṭhira, son of (dharma), duly approached the venerable Bṛhaspati and asked a question.

Words meanings summery:

• ततः (tataḥ) - then (then, therefrom, after that)

• धर्मसुतः (dharmasutaḥ) - Yudhiṣṭhira, son of (dharma) (son of dharma, Yudhiṣṭhira)

• राजा (rājā) - the king (Yudhiṣṭhira) (king, ruler)

• भगवन्तम् (bhagavantam) - the venerable (venerable, divine, glorious, illustrious)

• बृहस्पतिम् (bṛhaspatim) - Bṛhaspati (Bṛhaspati (name of the preceptor of the gods))

• उपगम्य (upagamya) - having approached (having approached, having come near)

• यथान्यायम् (yathānyāyam) - duly (properly, duly, according to justice)

• प्रश्नम् (praśnam) - a question (question, inquiry)

• पप्रच्छ (papraccha) - asked (he asked, he inquired)

• सुव्रतः (suvrataḥ) - virtuous (virtuous, pious, of good vows)

Words meanings and morphology

ततः (tataḥ) - then (then, therefrom, after that)

(indeclinable)

ablative suffix -tas added to pronoun base ta-

धर्मसुतः (dharmasutaḥ) - Yudhiṣṭhira, son of (dharma) (son of dharma, Yudhiṣṭhira)

(noun)

Nominative, masculine, singular of dharmasuta

dharmasuta - son of dharma, righteous son

Compound type : tatpurusha (dharma+suta)

• dharma – natural law, constitution, duty, righteousness, virtue
  noun (masculine)
• suta – son
  noun (masculine)
  past passive participle of su (to beget)
  Root: su (class 2)

राजा (rājā) - the king (Yudhiṣṭhira) (king, ruler)

(noun)

Nominative, masculine, singular of rājan

rājan - king, ruler

भगवन्तम् (bhagavantam) - the venerable (venerable, divine, glorious, illustrious)

(adjective)

Accusative, masculine, singular of bhagavat

bhagavat - fortunate, glorious, divine, venerable, lord

बृहस्पतिम् (bṛhaspatim) - Bṛhaspati (Bṛhaspati (name of the preceptor of the gods))

(proper noun)

Accusative, masculine, singular of bṛhaspati

bṛhaspati - Bṛhaspati (a proper noun, preceptor of the gods)

उपगम्य (upagamya) - having approached (having approached, having come near)

(indeclinable)

absolutive

from root gam with upasarga upa-

Prefix: upa

Root: gam (class 1)

यथान्यायम् (yathānyāyam) - duly (properly, duly, according to justice)

(indeclinable)

Compound type : avyayibhāva (yathā+nyāya)

• yathā – as, according to
  indeclinable
• nyāya – justice, rule, method, propriety
  noun (masculine)
  Prefix: ni
  Root: i (class 2)

प्रश्नम् (praśnam) - a question (question, inquiry)

(noun)

Accusative, masculine, singular of praśna

praśna - question, inquiry

Prefix: pra

Root: prach (class 6)

पप्रच्छ (papraccha) - asked (he asked, he inquired)

(verb)

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

Root: prach (class 6)

सुव्रतः (suvrataḥ) - virtuous (virtuous, pious, of good vows)

(adjective)

Nominative, masculine, singular of suvrata

suvrata - of good vows, virtuous, pious, devout

Compound type : bahuvrihi (su+vrata)

• su – good, well, excellent
  indeclinable
• vrata – vow, sacred observance, religious duty
  noun (neuter)

Note: Qualifies rājā (Yudhiṣṭhira).