महाभारतः mahābhārataḥ - book-5, chapter-140, verse-9

आदित्यमिव दुर्धर्षं तपन्तं शत्रुवाहिनीम् ।
न तदा भविता त्रेता न कृतं द्वापरं न च ॥९॥

9. ādityamiva durdharṣaṁ tapantaṁ śatruvāhinīm ,
na tadā bhavitā tretā na kṛtaṁ dvāparaṁ na ca.

9. ādityam iva durdharṣaṃ tapantam śatruvāhinīm
na tadā bhavitā tretā na kṛtam dvāparam na ca

9. [yudhiṣṭhiram] ādityam iva durdharṣaṃ śatruvāhinīm tapantam [drakṣyasi - implied] tadā tretā na bhavitā,
kṛtam na [bhavitā],
dvāparam na ca [bhavitā]

9. When you behold Yudhiṣṭhira, irresistible like the sun (āditya), scorching the enemy army. Then there will be no Tretā Yuga, no Kṛta Yuga, and no Dvāpara Yuga (meaning it will be a unique and unprecedented time).

Words meanings summery:

• आदित्यम् (ādityam) - the sun (the sun, a descendant of Aditi)

• इव (iva) - like, as, as if

• दुर्धर्षं (durdharṣaṁ) - irresistible, unconquerable, difficult to attack

• तपन्तम् (tapantam) - causing distress, devastating (the enemy) (scorching, burning, tormenting)

• शत्रुवाहिनीम् (śatruvāhinīm) - the enemy army

• न (na) - not, no

• तदा (tadā) - then, at that time

• भविता (bhavitā) - will be, will happen

• त्रेता (tretā) - Tretā Yuga (the second of the four yugas) (the Tretā age)

• न (na) - not, no

• कृतम् (kṛtam) - Kṛta Yuga (Satya Yuga, the first of the four yugas) (the Kṛta age)

• द्वापरम् (dvāparam) - Dvāpara Yuga (the third of the four yugas) (the Dvāpara age)

• न (na) - not, nor

• च (ca) - and

Words meanings and morphology

आदित्यम् (ādityam) - the sun (the sun, a descendant of Aditi)

(noun)

Accusative, masculine, singular of āditya

āditya - the sun; a son of Aditi

इव (iva) - like, as, as if

(indeclinable)

दुर्धर्षं (durdharṣaṁ) - irresistible, unconquerable, difficult to attack

(adjective)

Accusative, masculine, singular of durdharṣa

durdharṣa - difficult to attack, irresistible, invincible

prefix dur- (difficult) + root dhṛṣ (to be bold, attack) + suffix a

Compound type : tatpuruṣa (dur+dhṛṣa)

• dur – bad, difficult, ill
  prefix
• dhṛṣa – daring, bold; attack
  noun (masculine)
  Root: dhṛṣ (class 5)

तपन्तम् (tapantam) - causing distress, devastating (the enemy) (scorching, burning, tormenting)

(participle)

Accusative, masculine, singular of tapat

tapat - heating, scorching, tormenting

present active participle

root tap + śatṛ (active participle suffix)

Root: tap (class 1)

शत्रुवाहिनीम् (śatruvāhinīm) - the enemy army

(noun)

Accusative, feminine, singular of śatruvāhinī

śatruvāhinī - enemy host, enemy army

Compound type : tatpuruṣa (śatru+vāhinī)

• śatru – enemy, foe
  noun (masculine)
• vāhinī – army, host; river
  noun (feminine)

न (na) - not, no

(indeclinable)

तदा (tadā) - then, at that time

(indeclinable)

भविता (bhavitā) - will be, will happen

(nominal form)

Nominative, feminine, singular of bhū

bhū - to be, to become, to exist

periphrastic future

root bhū + tṛ (nominal agent suffix) + nominative singular feminine ending, used as a future predicate

Root: bhū (class 1)

त्रेता (tretā) - Tretā Yuga (the second of the four yugas) (the Tretā age)

(noun)

Nominative, feminine, singular of tretā

tretā - the Tretā Yuga (second cosmic age); a triad

न (na) - not, no

(indeclinable)

कृतम् (kṛtam) - Kṛta Yuga (Satya Yuga, the first of the four yugas) (the Kṛta age)

(noun)

Nominative, neuter, singular of kṛta

kṛta - done, made; the Kṛta Yuga (Satya Yuga)

द्वापरम् (dvāparam) - Dvāpara Yuga (the third of the four yugas) (the Dvāpara age)

(noun)

Nominative, neuter, singular of dvāpara

dvāpara - the Dvāpara Yuga (third cosmic age); relating to two

न (na) - not, nor

(indeclinable)

च (ca) - and

(indeclinable)