महाभारतः mahābhārataḥ - book-3, chapter-240, verse-32

कर्णोऽप्याविष्टचित्तात्मा नरकस्यान्तरात्मना ।
अर्जुनस्य वधे क्रूरामकरोत्स मतिं तदा ॥३२॥

32. karṇo'pyāviṣṭacittātmā narakasyāntarātmanā ,
arjunasya vadhe krūrāmakarotsa matiṁ tadā.

32. karṇaḥ api āviṣṭacittātmā narakasya antarātmanā
arjunasya vadhe krūrām akarot saḥ matim tadā

32. Karna, whose mind and inner being were possessed by the inner self (antarātman) of the demon Naraka, then formed a cruel intention for the slaying of Arjuna.

Words meanings summery:

• कर्णः (karṇaḥ) - Karna

• अपि (api) - also, even

• आविष्टचित्तात्मा (āviṣṭacittātmā) - Karna, whose mind and inner being were possessed. (one whose mind and self are possessed)

• नरकस्य (narakasya) - of the demon Naraka (of Naraka (a demon))

• अन्तरात्मना (antarātmanā) - by the spirit/inner self (antarātman) of Naraka (by the inner self (antarātman), by the spirit)

• अर्जुनस्य (arjunasya) - of Arjuna

• वधे (vadhe) - in the killing, in the destruction

• क्रूराम् (krūrām) - a cruel intention (cruel, fierce)

• अकरोत् (akarot) - Karna made (he made, he did)

• सः (saḥ) - Karna (he)

• मतिम् (matim) - a cruel intention (mati) (intention, thought, mind)

• तदा (tadā) - then, at that time

Words meanings and morphology

कर्णः (karṇaḥ) - Karna

(proper noun)

Nominative, masculine, singular of karṇa

karṇa - Karna (proper name)

अपि (api) - also, even

(indeclinable)

आविष्टचित्तात्मा (āviṣṭacittātmā) - Karna, whose mind and inner being were possessed. (one whose mind and self are possessed)

(adjective)

Nominative, masculine, singular of āviṣṭacittātman

āviṣṭacittātman - one whose mind and spirit are possessed

Compound type : bahuvrīhi (āviṣṭa+citta+ātman)

• āviṣṭa – possessed, entered, pervaded
  adjective (masculine)
  Past Passive Participle
  From ā-viś + kta suffix
  Prefix: ā
  Root: viś (class 6)
• citta – mind, consciousness, thought
  noun (neuter)
• ātman – self, soul, spirit, the true self (ātman)
  noun (masculine)

नरकस्य (narakasya) - of the demon Naraka (of Naraka (a demon))

(proper noun)

Genitive, masculine, singular of naraka

naraka - Naraka (a demon, son of Bhūmi and Viṣṇu), hell, infernal region

अन्तरात्मना (antarātmanā) - by the spirit/inner self (antarātman) of Naraka (by the inner self (antarātman), by the spirit)

(noun)

Instrumental, masculine, singular of antarātman

antarātman - the inner self, soul, spirit, conscience

Compound type : tatpuruṣa (antar+ātman)

• antar – within, inner, interior
  indeclinable
• ātman – self, soul, spirit, the true self (ātman)
  noun (masculine)

अर्जुनस्य (arjunasya) - of Arjuna

(proper noun)

Genitive, masculine, singular of arjuna

arjuna - Arjuna (proper name), white, silver

वधे (vadhe) - in the killing, in the destruction

(noun)

Locative, masculine, singular of vadha

vadha - killing, slaying, destruction

Derived from root vad (to strike, kill)

Root: vad (class 1)

क्रूराम् (krūrām) - a cruel intention (cruel, fierce)

(adjective)

Accusative, feminine, singular of krūra

krūra - cruel, fierce, harsh, dreadful

अकरोत् (akarot) - Karna made (he made, he did)

(verb)

3rd person , singular, active, past imperfect (laṅ) of kṛ

Imperfect tense, active voice, 3rd person singular

Imperfect (Laṅ-lakāra) form of root kṛ

Root: kṛ (class 8)

सः (saḥ) - Karna (he)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

मतिम् (matim) - a cruel intention (mati) (intention, thought, mind)

(noun)

Accusative, feminine, singular of mati

mati - mind, thought, intellect, intention, purpose

From root man

Root: man (class 4)

तदा (tadā) - then, at that time

(indeclinable)