वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-5, chapter-21, verse-7

पुलस्त्यस्य तु तेजस्वी महर्षिर्मानसः सुतः ।
नाम्ना स विश्रवा नाम प्रजापतिसमप्रभः ॥७॥

7. pulastyasya tu tejasvī maharṣirmānasaḥ sutaḥ ,
nāmnā sa viśravā nāma prajāpatisamaprabhaḥ.

7. pulastyasya tu tejasvī maharṣiḥ mānasaḥ sutaḥ
nāmnā sa viśravā nāma prajāpatisamaprabhaḥ

7. Indeed, the brilliant, mind-born son of the great seer Pulastya was named Viśravā, possessing the splendor equal to a creator deity (prajāpati).

Words meanings summery:

• पुलस्त्यस्य (pulastyasya) - of Pulastya

• तु (tu) - indeed, but, however

• तेजस्वी (tejasvī) - brilliant, radiant, energetic

• महर्षिः (maharṣiḥ) - great sage, great seer

• मानसः (mānasaḥ) - mind-born, mental

• सुतः (sutaḥ) - son

• नाम्ना (nāmnā) - by name

• स (sa) - he

• विश्रवा (viśravā) - Viśravā (proper name)

• नाम (nāma) - by name, named

• प्रजापतिसमप्रभः (prajāpatisamaprabhaḥ) - having splendor equal to a prajāpati

Words meanings and morphology

पुलस्त्यस्य (pulastyasya) - of Pulastya

(proper noun)

Genitive, masculine, singular of pulastya

pulastya - name of one of the mind-born sons of Brahmā, a great sage

तु (tu) - indeed, but, however

(indeclinable)

तेजस्वी (tejasvī) - brilliant, radiant, energetic

(adjective)

Nominative, masculine, singular of tejasvin

tejasvin - brilliant, splendid, energetic, powerful

महर्षिः (maharṣiḥ) - great sage, great seer

(noun)

Nominative, masculine, singular of maharṣi

maharṣi - great sage, great seer

Compound type : karmadhāraya (mahā+ṛṣi)

• mahā – great, large, mighty
  adjective
• ṛṣi – sage, seer, inspired poet
  noun (masculine)

मानसः (mānasaḥ) - mind-born, mental

(adjective)

Nominative, masculine, singular of mānasa

mānasa - mind-born, mental, relating to the mind

सुतः (sutaḥ) - son

(noun)

Nominative, masculine, singular of suta

suta - son

नाम्ना (nāmnā) - by name

(noun)

Instrumental, neuter, singular of nāman

nāman - name

स (sa) - he

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

विश्रवा (viśravā) - Viśravā (proper name)

(proper noun)

Nominative, masculine, singular of viśravas

viśravas - famous, glorious; a proper name, father of Kubera and Rāvaṇa

नाम (nāma) - by name, named

(indeclinable)

Note: used here as an adverbial particle meaning 'namely', 'by name'

प्रजापतिसमप्रभः (prajāpatisamaprabhaḥ) - having splendor equal to a prajāpati

(adjective)

Nominative, masculine, singular of prajāpatisamaprabha

prajāpatisamaprabha - having splendor equal to a prajāpati (creator deity)

Compound type : bahuvrīhi (prajāpati+sama+prabhā)

• prajāpati – lord of creatures, creator deity
  noun (masculine)
• sama – equal, like, similar
  adjective
• prabhā – splendor, light, radiance
  noun (feminine)