महाभारतः mahābhārataḥ - book-3, chapter-208, verse-2

बृहज्ज्योतिर्बृहत्कीर्तिर्बृहद्ब्रह्मा बृहन्मनाः ।
बृहन्मन्त्रो बृहद्भासस्तथा राजन्बृहस्पतिः ॥२॥

2. bṛhajjyotirbṛhatkīrtirbṛhadbrahmā bṛhanmanāḥ ,
bṛhanmantro bṛhadbhāsastathā rājanbṛhaspatiḥ.

2. bṛhatjyotiḥ bṛhatkīrtiḥ bṛhatbrahmā bṛhatmanāḥ |
bṛhatmantraḥ bṛhatbhāsaḥ tathā rājan bṛhaspatiḥ

2. Among them, O King, was Bṛhaspati, great in radiance, great in fame, great in sacred knowledge (brahman), great in mind, great in sacred hymns (mantra), and greatly lustrous.

Words meanings summery:

• बृहत्ज्योतिः (bṛhatjyotiḥ) - Refers to Bṛhaspati's attribute. (great in light, greatly lustrous, having great splendor)

• बृहत्कीर्तिः (bṛhatkīrtiḥ) - Refers to Bṛhaspati's attribute. (great in fame, greatly renowned)

• बृहत्ब्रह्मा (bṛhatbrahmā) - Refers to Bṛhaspati's attribute as a teacher of gods. (great in sacred knowledge, having great sacred lore (brahman))

• बृहत्मनाः (bṛhatmanāḥ) - Refers to Bṛhaspati's attribute. (great-minded, having a great mind)

• बृहत्मन्त्रः (bṛhatmantraḥ) - Refers to Bṛhaspati's attribute as a priest and teacher. (great in sacred hymns, having powerful mantras)

• बृहत्भासः (bṛhatbhāsaḥ) - Refers to Bṛhaspati's attribute. (greatly lustrous, having great light)

• तथा (tathā) - thus, so, and, likewise

• राजन् (rājan) - Refers to Janamejaya. (O king)

• बृहस्पतिः (bṛhaspatiḥ) - The son being described, a prominent progeny of Aṅgiras. (Bṛhaspati (name of a sage/deity))

Words meanings and morphology

बृहत्ज्योतिः (bṛhatjyotiḥ) - Refers to Bṛhaspati's attribute. (great in light, greatly lustrous, having great splendor)

(adjective)

Nominative, masculine, singular of bṛhatjyotis

bṛhatjyotis - great light, great splendor, greatly lustrous

Compound type : bahuvrīhi (bṛhat+jyotis)

• bṛhat – great, large, high
  adjective (neuter)
  Present active participle
  Present active participle of √bṛh (to grow), functioning as an adjective.
  Root: bṛh (class 1)
• jyotis – light, luster, star
  noun (neuter)

Note: Adjective used as an epithet for Bṛhaspati.

बृहत्कीर्तिः (bṛhatkīrtiḥ) - Refers to Bṛhaspati's attribute. (great in fame, greatly renowned)

(adjective)

Nominative, masculine, singular of bṛhatkīrti

bṛhatkīrti - great fame, greatly renowned

Compound type : bahuvrīhi (bṛhat+kīrti)

• bṛhat – great, large, high
  adjective (neuter)
  Present active participle
  Present active participle of √bṛh (to grow), functioning as an adjective.
  Root: bṛh (class 1)
• kīrti – fame, glory, renown
  noun (feminine)
  From √kīrt (to proclaim)
  Root: kīrt (class 10)

Note: Adjective used as an epithet for Bṛhaspati.

बृहत्ब्रह्मा (bṛhatbrahmā) - Refers to Bṛhaspati's attribute as a teacher of gods. (great in sacred knowledge, having great sacred lore (brahman))

(adjective)

Nominative, masculine, singular of bṛhatbrahman

bṛhatbrahman - great sacred knowledge, great Veda, great in sacred knowledge

Compound type : bahuvrīhi (bṛhat+brahman)

• bṛhat – great, large, high
  adjective (neuter)
  Present active participle
  Present active participle of √bṛh (to grow), functioning as an adjective.
  Root: bṛh (class 1)
• brahman – sacred knowledge, Veda, prayer
  noun (neuter)

Note: Adjective used as an epithet for Bṛhaspati.

बृहत्मनाः (bṛhatmanāḥ) - Refers to Bṛhaspati's attribute. (great-minded, having a great mind)

(adjective)

Nominative, masculine, singular of bṛhatmanas

bṛhatmanas - great mind, magnanimous, great-minded

Compound type : bahuvrīhi (bṛhat+manas)

• bṛhat – great, large, high
  adjective (neuter)
  Present active participle
  Present active participle of √bṛh (to grow), functioning as an adjective.
  Root: bṛh (class 1)
• manas – mind, intellect, heart
  noun (neuter)

Note: Adjective used as an epithet for Bṛhaspati.

बृहत्मन्त्रः (bṛhatmantraḥ) - Refers to Bṛhaspati's attribute as a priest and teacher. (great in sacred hymns, having powerful mantras)

(adjective)

Nominative, masculine, singular of bṛhatmantra

bṛhatmantra - great sacred hymn, great in sacred hymns

Compound type : bahuvrīhi (bṛhat+mantra)

• bṛhat – great, large, high
  adjective (neuter)
  Present active participle
  Present active participle of √bṛh (to grow), functioning as an adjective.
  Root: bṛh (class 1)
• mantra – sacred hymn, prayer, counsel
  noun (masculine)
  From √man (to think)
  Root: man (class 4)

Note: Adjective used as an epithet for Bṛhaspati.

बृहत्भासः (bṛhatbhāsaḥ) - Refers to Bṛhaspati's attribute. (greatly lustrous, having great light)

(adjective)

Nominative, masculine, singular of bṛhatbhāsa

bṛhatbhāsa - great radiance, great light, greatly lustrous

Compound type : bahuvrīhi (bṛhat+bhāsa)

• bṛhat – great, large, high
  adjective (neuter)
  Present active participle
  Present active participle of √bṛh (to grow), functioning as an adjective.
  Root: bṛh (class 1)
• bhāsa – light, luster, splendor
  noun (masculine)
  From √bhā (to shine)
  Root: bhā (class 2)

Note: Adjective used as an epithet for Bṛhaspati.

तथा (tathā) - thus, so, and, likewise

(indeclinable)

राजन् (rājan) - Refers to Janamejaya. (O king)

(noun)

Vocative, masculine, singular of rājan

rājan - king, ruler

बृहस्पतिः (bṛhaspatiḥ) - The son being described, a prominent progeny of Aṅgiras. (Bṛhaspati (name of a sage/deity))

(proper noun)

Nominative, masculine, singular of bṛhaspati

bṛhaspati - Lord of prayer, name of a divine preceptor, regent of the planet Jupiter