महाभारतः mahābhārataḥ - book-1, chapter-79, verse-26

पूर्णे वर्षसहस्रे तु प्रतिदास्यामि यौवनम् ।
स्वं चैव प्रतिपत्स्यामि पाप्मानं जरया सह ॥२६॥

26. pūrṇe varṣasahasre tu pratidāsyāmi yauvanam ,
svaṁ caiva pratipatsyāmi pāpmānaṁ jarayā saha.

26. pūrṇe varṣasahasre tu pratidāsyāmi yauvanam
svam ca eva pratipattsyāmi pāpmānam jarayā saha

26. But after a full thousand years, I will return your youth. And I will certainly take back my own old age along with its infirmities.

Words meanings summery:

• पूर्णे (pūrṇe) - full, complete

• वर्षसहस्रे (varṣasahasre) - in a thousand years

• तु (tu) - but, indeed

• प्रतिदास्यामि (pratidāsyāmi) - I will give back, I will return

• यौवनम् (yauvanam) - youth

• स्वम् (svam) - my own, one's own

• च (ca) - and

• एव (eva) - certainly, only

• प्रतिपत्त्स्यामि (pratipattsyāmi) - I will take back, I will accept

• पाप्मानम् (pāpmānam) - my old age/infirmity (old age, sin, evil)

• जरया (jarayā) - with old age

• सह (saha) - with, along with

Words meanings and morphology

पूर्णे (pūrṇe) - full, complete

(adjective)

Locative, neuter, singular of pūrṇa

pūrṇa - full, complete, finished, filled

Past Passive Participle

from pṝ

Root: pṝ (class 9)

Note: agrees with varṣasahasre

वर्षसहस्रे (varṣasahasre) - in a thousand years

(noun)

Locative, neuter, singular of varṣasahasra

varṣasahasra - a thousand years

Compound type : dvigu (varṣa+sahasra)

• varṣa – year
  noun (neuter)
• sahasra – thousand
  noun (neuter)

Note: Locative absolute construction with pūrṇe.

तु (tu) - but, indeed

(indeclinable)

प्रतिदास्यामि (pratidāsyāmi) - I will give back, I will return

(verb)

1st person , singular, active, future (lṛṭ) of prati-dā

Future Tense

active voice, 1st person, singular

Prefix: prati

Root: dā (class 3)

यौवनम् (yauvanam) - youth

(noun)

Accusative, neuter, singular of yauvana

yauvana - youth, juvenescence, youthful age

स्वम् (svam) - my own, one's own

(pronoun)

Accusative, neuter, singular of sva

sva - one's own, self, peculiar

Note: Refers to one's own old age.

च (ca) - and

(indeclinable)

एव (eva) - certainly, only

(indeclinable)

Note: Emphatic particle.

प्रतिपत्त्स्यामि (pratipattsyāmi) - I will take back, I will accept

(verb)

1st person , singular, middle, future (lṛṭ) of prati-pad

Future Tense

middle voice, 1st person, singular

Prefix: prati

Root: pad (class 4)

पाप्मानम् (pāpmānam) - my old age/infirmity (old age, sin, evil)

(noun)

Accusative, masculine, singular of pāpman

pāpman - evil, sin, misery, old age

जरया (jarayā) - with old age

(noun)

Instrumental, feminine, singular of jarā

jarā - old age, decrepitude

Root: jṝ (class 9)

सह (saha) - with, along with

(indeclinable)

Note: governs instrumental case