महाभारतः mahābhārataḥ - book-3, chapter-154, verse-44

आत्मना भ्रातृभिश्चाहं धर्मेण सुकृतेन च ।
इष्टेन च शपे राजन्सूदयिष्यामि राक्षसम् ॥४४॥

44. ātmanā bhrātṛbhiścāhaṁ dharmeṇa sukṛtena ca ,
iṣṭena ca śape rājansūdayiṣyāmi rākṣasam.

44. ātmanā bhrātṛbhiḥ ca aham dharmeṇa sukṛtena
ca iṣṭena ca śape rājan sūdayiṣyāmi rākṣasam

44. O King, I swear by my own self (ātman), by my brothers, by natural law (dharma), by virtuous deeds, and by sacrifice, that I will surely destroy this demon.

Words meanings summery:

• आत्मना (ātmanā) - by my own self (ātman) (by the self, by oneself, by the soul)

• भ्रातृभिः (bhrātṛbhiḥ) - by my brothers (by brothers)

• च (ca) - and (and, also)

• अहम् (aham) - I

• धर्मेण (dharmeṇa) - by natural law (dharma) (by natural law, by righteousness, by duty)

• सुकृतेन (sukṛtena) - by virtuous deeds (by good deeds, by virtuous acts)

• च (ca) - and (and, also)

• इष्टेन (iṣṭena) - by sacrifice (by sacrifice, by what is worshipped/desired)

• च (ca) - and (and, also)

• शपे (śape) - I swear (I swear, I curse)

• राजन् (rājan) - O King (addressed to Yudhiṣṭhira) (O King)

• सूदयिष्यामि (sūdayiṣyāmi) - I will destroy (I will kill, I will destroy)

• राक्षसम् (rākṣasam) - this demon (the demon (accusative))

Words meanings and morphology

आत्मना (ātmanā) - by my own self (ātman) (by the self, by oneself, by the soul)

(noun)

Instrumental, masculine, singular of ātman

ātman - self, soul, spirit, essential nature

भ्रातृभिः (bhrātṛbhiḥ) - by my brothers (by brothers)

(noun)

Instrumental, masculine, plural of bhrātṛ

bhrātṛ - brother

च (ca) - and (and, also)

(indeclinable)

Conjunction

अहम् (aham) - I

(pronoun)

Nominative, singular of asmad

asmad - I, we

First person pronoun

धर्मेण (dharmeṇa) - by natural law (dharma) (by natural law, by righteousness, by duty)

(noun)

Instrumental, masculine, singular of dharma

dharma - natural law, constitution, intrinsic nature, duty, righteousness, virtue

From root dhṛ (to hold, support).

Root: dhṛ (class 1)

सुकृतेन (sukṛtena) - by virtuous deeds (by good deeds, by virtuous acts)

(noun)

Instrumental, neuter, singular of sukṛta

sukṛta - well-done, virtuous deed, merit

Past Passive Participle

Root kṛ (to do) + kta suffix, with prefix su. Used as a noun.

Compound type : karmadhāraya (su+kṛta)

• su – good, well, very
  indeclinable
  Prefix
• kṛta – done, made, deed, act
  adjective (neuter)
  Past Passive Participle
  From root kṛ (to do) + kta suffix
  Root: kṛ (class 8)

च (ca) - and (and, also)

(indeclinable)

Conjunction

इष्टेन (iṣṭena) - by sacrifice (by sacrifice, by what is worshipped/desired)

(noun)

Instrumental, neuter, singular of iṣṭa

iṣṭa - sacrificed, worshipped, desired, beloved, sacrifice

Past Passive Participle

Root yaj (to sacrifice, worship) + kta suffix, with initial y changed to i and palatal retroflexion. Used as a noun.

Root: yaj (class 1)

Note: Refers to the merit accumulated from performing sacrifices.

च (ca) - and (and, also)

(indeclinable)

Conjunction

शपे (śape) - I swear (I swear, I curse)

(verb)

1st person , singular, middle, present (laṭ) of śap

Present tense, 1st person singular, middle voice

Root śap (class 1, ātmanepada).

Root: śap (class 1)

राजन् (rājan) - O King (addressed to Yudhiṣṭhira) (O King)

(noun)

Vocative, masculine, singular of rājan

rājan - king, ruler

n-stem noun

सूदयिष्यामि (sūdayiṣyāmi) - I will destroy (I will kill, I will destroy)

(verb)

1st person , singular, active, future (lṛṭ) of sūd

Future tense, 1st person singular, causative stem

Root sūd (class 10 or causative of sū, to slay) + future suffix 'sya' + 'āmi' ending.

Root: sūd (class 10)

राक्षसम् (rākṣasam) - this demon (the demon (accusative))

(noun)

Accusative, masculine, singular of rākṣasa

rākṣasa - demon, goblin

Note: Direct object of 'sūdayiṣyāmi'.