महाभारतः mahābhārataḥ - book-3, chapter-106, verse-3

स चक्षुर्विवृतं कृत्वा तेजस्तेषु समुत्सृजन् ।
ददाह सुमहातेजा मन्दबुद्धीन्स सागरान् ॥३॥

3. sa cakṣurvivṛtaṁ kṛtvā tejasteṣu samutsṛjan ,
dadāha sumahātejā mandabuddhīnsa sāgarān.

3. saḥ cakṣuḥ vivṛtam kṛtvā tejaḥ teṣu samutsṛjan
dadāha sumahātejāḥ mandabuddhīn sagarān

3. He, possessed of immense energy (tejas), opened his eyes and, emitting his radiant power (tejas) upon them, burned those dull-witted sons of Sagara.

Words meanings summery:

• सः (saḥ) - he

• चक्षुः (cakṣuḥ) - eye

• विवृतम् (vivṛtam) - opened, uncovered

• कृत्वा (kṛtvā) - having done, having made

• तेजः (tejaḥ) - radiance, energy, splendor

• तेषु (teṣu) - upon them, in them

• समुत्सृजन् (samutsṛjan) - releasing, emitting, casting off

• ददाह (dadāha) - he burned

• सुमहातेजाः (sumahātejāḥ) - of great energy, exceedingly radiant

• मन्दबुद्धीन् (mandabuddhīn) - dull-witted, slow-minded

• सगरान् (sagarān) - the 60,000 sons of King Sagara (the sons of Sagara, the Sagaras)

Words meanings and morphology

सः (saḥ) - he

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

चक्षुः (cakṣuḥ) - eye

(noun)

Accusative, neuter, singular of cakṣus

cakṣus - eye, sight, vision

विवृतम् (vivṛtam) - opened, uncovered

(adjective)

Accusative, neuter, singular of vivṛta

vivṛta - opened, uncovered, exposed

past passive participle

upasarga vi- + root vṛ + kta (past passive participle suffix)

Prefix: vi

Root: vṛ (class 5)

कृत्वा (kṛtvā) - having done, having made

(indeclinable)

Root: kṛ (class 8)

Note: Absolutive (gerund) formed with -tvā suffix

तेजः (tejaḥ) - radiance, energy, splendor

(noun)

Accusative, neuter, singular of tejas

tejas - radiance, brilliance, energy, splendor, power

तेषु (teṣu) - upon them, in them

(pronoun)

Locative, masculine, plural of tad

tad - that, he, she, it

समुत्सृजन् (samutsṛjan) - releasing, emitting, casting off

(adjective)

Nominative, masculine, singular of samutsṛjat

samutsṛjat - releasing, emitting, casting off

present active participle

upasargas sam- + ud- + root sṛj + śatṛ (present participle suffix)

Prefixes: sam+ud

Root: sṛj (class 6)

ददाह (dadāha) - he burned

(verb)

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

Root: dah (class 1)

सुमहातेजाः (sumahātejāḥ) - of great energy, exceedingly radiant

(adjective)

Nominative, masculine, singular of sumahātejas

sumahātejas - one of great splendor/radiance/power

Compound type : bahuvrīhi (su+mahat+tejas)

• su – good, well, very, excellent
  indeclinable
• mahat – great, large, mighty
  adjective (neuter)
• tejas – radiance, brilliance, energy, splendor, power
  noun (neuter)

मन्दबुद्धीन् (mandabuddhīn) - dull-witted, slow-minded

(adjective)

Accusative, masculine, plural of mandabuddhi

mandabuddhi - dull-witted, slow of understanding

Compound type : bahuvrīhi (manda+buddhi)

• manda – dull, slow, faint, sluggish
  adjective (masculine)
• buddhi – intellect, understanding, perception
  noun (feminine)

सगरान् (sagarān) - the 60,000 sons of King Sagara (the sons of Sagara, the Sagaras)

(proper noun)

Accusative, masculine, plural of sagara

sagara - Sagara (a mythical king of Ayodhya), an inhabitant of the ocean