महाभारतः mahābhārataḥ - book-9, chapter-55, verse-22

अद्यान्तमेषां दुःखानां गन्ता भरतसत्तम ।
एकाह्ना विनिहत्येमं भविष्याम्यात्मनोऽनृणः ॥२२॥

22. adyāntameṣāṁ duḥkhānāṁ gantā bharatasattama ,
ekāhnā vinihatyemaṁ bhaviṣyāmyātmano'nṛṇaḥ.

22. adya antam eṣām duḥkhānām gantā bharatasattama
ekāhnā vinihatya imam bhaviṣyāmi ātmanaḥ anṛṇaḥ

22. adya eṣām duḥkhānām antam gantā,
bharatasattama.
ekāhnā imam vinihatya,
ātmanaḥ anṛṇaḥ bhaviṣyāmi

22. Today will be the end of these sorrows (duḥkha), O best among the Bhāratas. Within a single day, by destroying this one, I shall become free from my obligation to my own self (ātman).

Words meanings summery:

• अद्य (adya) - today, now

• अन्तम् (antam) - the end, final point

• एषाम् (eṣām) - of these sorrows (of these)

• दुःखानाम् (duḥkhānām) - of sorrows, of miseries

• गन्ता (gantā) - here implying 'I shall bring about the end' or 'I shall reach the end' (one who goes, one who will go; will reach)

• भरतसत्तम (bharatasattama) - Addressing Yudhiṣṭhira (O best of Bharatas)

• एकाह्ना (ekāhnā) - in one day, by one day

• विनिहत्य (vinihatya) - having defeated or killed an enemy (having completely destroyed, having killed)

• इमम् (imam) - referring to Duryodhana (this, this one)

• भविष्यामि (bhaviṣyāmi) - I shall be, I shall become

• आत्मनः (ātmanaḥ) - of the self, of one's own self

• अनृणः (anṛṇaḥ) - free from a moral obligation or debt (free from debt, debtless)

Words meanings and morphology

अद्य (adya) - today, now

(indeclinable)

अन्तम् (antam) - the end, final point

(noun)

Nominative, masculine, singular of anta

anta - end, limit, boundary, conclusion

एषाम् (eṣām) - of these sorrows (of these)

(pronoun)

Genitive, plural of idam

idam - this, these

दुःखानाम् (duḥkhānām) - of sorrows, of miseries

(noun)

Genitive, neuter, plural of duḥkha

duḥkha - sorrow, suffering, misery (duḥkha)

गन्ता (gantā) - here implying 'I shall bring about the end' or 'I shall reach the end' (one who goes, one who will go; will reach)

(noun)

Nominative, masculine, singular of gantṛ

gantṛ - goer, one who goes, future agent

Future Agent Noun / Future Participle

Derived from root gam (to go) with suffix tṛ

Root: gam (class 1)

भरतसत्तम (bharatasattama) - Addressing Yudhiṣṭhira (O best of Bharatas)

(noun)

Vocative, masculine, singular of bharatasattama

bharatasattama - best among the Bhāratas

Compound type : tatpuruṣa (bharata+sattama)

• bharata – a descendant of Bharata, a member of the Bharata lineage
  proper noun (masculine)
• sattama – best, most excellent
  adjective
  Superlative
  Superlative of 'sat' (good, excellent)

एकाह्ना (ekāhnā) - in one day, by one day

(noun)

Instrumental, masculine, singular of ekāha

ekāha - one day, a single day

Compound type : tatpuruṣa (eka+ahan)

• eka – one, single, alone
  numeral
• ahan – day
  noun (neuter)

विनिहत्य (vinihatya) - having defeated or killed an enemy (having completely destroyed, having killed)

(indeclinable)

Gerund/Absolutive

Formed from root han (to strike, kill) with upasargas vi and ni

Prefixes: vi+ni

Root: han (class 2)

इमम् (imam) - referring to Duryodhana (this, this one)

(pronoun)

Accusative, masculine, singular of idam

idam - this, this one

भविष्यामि (bhaviṣyāmi) - I shall be, I shall become

(verb)

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

Future Tense, First Person Singular

Root bhū, future stem bhaviṣya, P.P. -mi

Root: bhū (class 1)

आत्मनः (ātmanaḥ) - of the self, of one's own self

(noun)

Genitive, masculine, singular of ātman

ātman - self, soul, spirit, essence (ātman)

अनृणः (anṛṇaḥ) - free from a moral obligation or debt (free from debt, debtless)

(adjective)

Nominative, masculine, singular of anṛṇa

anṛṇa - debtless, free from debt or obligation

Compound 'a' (negation) + 'ṛṇa' (debt)