महाभारतः mahābhārataḥ - book-7, chapter-120, verse-17

नूनमात्मविनाशाय पाण्डवेन किरीटिना ।
प्रतिज्ञेयं कृता कर्ण जयद्रथवधं प्रति ॥१७॥

17. nūnamātmavināśāya pāṇḍavena kirīṭinā ,
pratijñeyaṁ kṛtā karṇa jayadrathavadhaṁ prati.

17. nūnam ātmanāśāya pāṇḍavena kirīṭinā pratijñā
iyam kṛtā karṇa jayadrathavadham prati

17. karṇa nūnam iyam pratijñā kirīṭinā pāṇḍavena
jayadrathavadham prati ātmanāśāya kṛtā

17. O Karṇa, this vow concerning the killing of Jayadratha has certainly been undertaken by Arjuna, the wearer of the diadem, for his own self-destruction (ātman).

Words meanings summery:

• नूनम् (nūnam) - certainly, indeed, surely

• आत्मनाशाय (ātmanāśāya) - for self-destruction, for one's own ruin

• पाण्डवेन (pāṇḍavena) - by Arjuna (by the son of Pāṇḍu, by Arjuna)

• किरीटिना (kirīṭinā) - by Arjuna, the wearer of the diadem (by the one wearing a diadem/crown, by Arjuna)

• प्रतिज्ञा (pratijñā) - vow, promise, solemn declaration

• इयम् (iyam) - this (feminine nominative singular)

• कृता (kṛtā) - made, done, undertaken (feminine nominative singular)

• कर्ण (karṇa) - O Karṇa

• जयद्रथवधम् (jayadrathavadham) - the killing of Jayadratha

• प्रति (prati) - concerning, towards, regarding

Words meanings and morphology

नूनम् (nūnam) - certainly, indeed, surely

(indeclinable)

आत्मनाशाय (ātmanāśāya) - for self-destruction, for one's own ruin

(noun)

Dative, masculine, singular of ātmanāśa

ātmanāśa - self-destruction, ruin, death

Compound type : tatpuruṣa (ātman+nāśa)

• ātman – self, soul, spirit, essence, body
  noun (masculine)
• nāśa – destruction, ruin, loss, disappearance
  noun (masculine)
  from root naś- 'to perish, be lost'
  Root: naś (class 4)

पाण्डवेन (pāṇḍavena) - by Arjuna (by the son of Pāṇḍu, by Arjuna)

(proper noun)

Instrumental, masculine, singular of pāṇḍava

pāṇḍava - descendant of Pāṇḍu, son of Pāṇḍu; specifically Yudhiṣṭhira, Bhīma, Arjuna, Nakula, Sahadeva

vṛddhi derivative from Pāṇḍu

किरीटिना (kirīṭinā) - by Arjuna, the wearer of the diadem (by the one wearing a diadem/crown, by Arjuna)

(adjective)

Instrumental, masculine, singular of kirīṭin

kirīṭin - wearing a diadem/crown, crowned; an epithet of Arjuna

from kirīṭa (diadem) + -in (possessive suffix)

Note: Agrees with pāṇḍavena.

प्रतिज्ञा (pratijñā) - vow, promise, solemn declaration

(noun)

Nominative, feminine, singular of pratijñā

pratijñā - vow, promise, solemn declaration, undertaking

from prati-jñā (to promise, vow)

Prefix: prati

Root: jñā (class 9)

इयम् (iyam) - this (feminine nominative singular)

(pronoun)

Nominative, feminine, singular of idam

idam - this, this one

Note: Refers to pratijñā.

कृता (kṛtā) - made, done, undertaken (feminine nominative singular)

(adjective)

Nominative, feminine, singular of kṛta

kṛta - done, made, performed, created

Past Passive Participle

from root kṛ- 'to do, make'

Root: kṛ (class 8)

Note: Agrees with pratijñā and iyam.

कर्ण (karṇa) - O Karṇa

(proper noun)

Vocative, masculine, singular of karṇa

karṇa - Karṇa (proper name, son of Kuntī and Sūrya), ear

जयद्रथवधम् (jayadrathavadham) - the killing of Jayadratha

(noun)

Accusative, masculine, singular of jayadrathavadha

jayadrathavadha - the slaying of Jayadratha

Compound type : tatpuruṣa (jayadratha+vadha)

• jayadratha – Jayadratha (proper name, king of Sindhu)
  proper noun (masculine)
• vadha – killing, slaughter, destruction
  noun (masculine)
  from root vadh- 'to strike, kill'
  Root: vadh (class 1)

Note: Governed by prati.

प्रति (prati) - concerning, towards, regarding

(indeclinable)