महाभारतः mahābhārataḥ - book-8, chapter-5, verse-13

यमाश्रित्य महाबाहुं द्विषत्संघघ्नमच्युतम् ।
दुर्योधनोऽकरोद्वैरं पाण्डुपुत्रैर्महाबलैः ॥१३॥

13. yamāśritya mahābāhuṁ dviṣatsaṁghaghnamacyutam ,
duryodhano'karodvairaṁ pāṇḍuputrairmahābalaiḥ.

13. yam āśritya mahābāhum dviṣatsaṃghaghnam acyutam
duryodhanaḥ akarot vairam pāṇḍuputraiḥ mahābalaiḥ

13. duryodhanaḥ yam mahābāhum dviṣatsaṃghaghnam acyutam
āśritya mahābalaiḥ pāṇḍuputraiḥ vairam akarot

13. Relying on that mighty-armed (ally), the unfailing one, who was a slayer of enemy hosts, Duryodhana waged war against the immensely powerful sons of Pāṇḍu.

Words meanings summery:

• यम् (yam) - whom (referring to the mighty ally) (whom, which)

• आश्रित्य (āśritya) - having relied upon (having relied, having resorted to, having taken refuge in)

• महाबाहुम् (mahābāhum) - mighty-armed (mighty-armed, strong-armed)

• द्विषत्संघघ्नम् (dviṣatsaṁghaghnam) - slayer of hosts of enemies (slayer of hosts of enemies, destroyer of enemy multitudes)

• अच्युतम् (acyutam) - unfailing (in strength or resolve) (unfailing, firm, imperishable)

• दुर्योधनः (duryodhanaḥ) - Duryodhana (Duryodhana (a proper name))

• अकरोत् (akarot) - he waged (enmity) (he did, he made)

• वैरम् (vairam) - enmity, war (enmity, hostility)

• पाण्डुपुत्रैः (pāṇḍuputraiḥ) - with the sons of Pāṇḍu (by the sons of Pāṇḍu, with the sons of Pāṇḍu)

• महाबलैः (mahābalaiḥ) - with the greatly powerful ones (sons of Pāṇḍu) (by the mighty ones, by those of great strength)

Words meanings and morphology

यम् (yam) - whom (referring to the mighty ally) (whom, which)

(pronoun)

Accusative, masculine, singular of yad

yad - who, which, what

आश्रित्य (āśritya) - having relied upon (having relied, having resorted to, having taken refuge in)

(indeclinable)

absolutive

Derived from root śri with upasarga ā

Prefix: ā

Root: śri (class 1)

महाबाहुम् (mahābāhum) - mighty-armed (mighty-armed, strong-armed)

(adjective)

Accusative, masculine, singular of mahābāhu

mahābāhu - mighty-armed, having great arms

Compound type : bahuvrihi (mahā+bāhu)

• mahā – great, mighty
  adjective
• bāhu – arm
  noun (masculine)

द्विषत्संघघ्नम् (dviṣatsaṁghaghnam) - slayer of hosts of enemies (slayer of hosts of enemies, destroyer of enemy multitudes)

(adjective)

Accusative, masculine, singular of dviṣatsaṃghaghna

dviṣatsaṁghaghna - destroyer of enemy multitudes/hosts

Compound type : tatpurusha (dviṣat+saṃgha+ghna)

• dviṣat – enemy, hostile
  noun (masculine)
  Present Active Participle
  From root dviṣ
  Root: dviṣ (class 2)
• saṃgha – multitude, host, group
  noun (masculine)
• ghna – slayer, killer, destroying
  adjective (masculine)
  From root han (to strike/kill)
  Root: han (class 2)

अच्युतम् (acyutam) - unfailing (in strength or resolve) (unfailing, firm, imperishable)

(adjective)

Accusative, masculine, singular of acyuta

acyuta - unfailing, firm, imperishable; a name of Viṣṇu/Kṛṣṇa

Past Passive Participle

From root cyu (to move, to fall) with negative prefix a-

Compound type : nañ-tatpuruṣa (a+cyuta)

• a – not, un-
  indeclinable
  Negative prefix
• cyuta – fallen, moved, deviated
  adjective (masculine)
  Past Passive Participle
  From root cyu (to move, fall)
  Root: cyu (class 1)

दुर्योधनः (duryodhanaḥ) - Duryodhana (Duryodhana (a proper name))

(proper noun)

Nominative, masculine, singular of duryodhana

duryodhana - Duryodhana (son of Dhritarashtra)

अकरोत् (akarot) - he waged (enmity) (he did, he made)

(verb)

3rd person , singular, active, aorist (luṅ) of kṛ

aorist

a-augmentation + root kṛ + aorist ending

Root: kṛ (class 8)

वैरम् (vairam) - enmity, war (enmity, hostility)

(noun)

Accusative, neuter, singular of vaira

vaira - enmity, hostility, animosity

पाण्डुपुत्रैः (pāṇḍuputraiḥ) - with the sons of Pāṇḍu (by the sons of Pāṇḍu, with the sons of Pāṇḍu)

(noun)

Instrumental, masculine, plural of pāṇḍuputra

pāṇḍuputra - son of Pāṇḍu

Compound type : genitive tatpurusha (pāṇḍu+putra)

• pāṇḍu – Pāṇḍu (a proper name)
  proper noun (masculine)
• putra – son
  noun (masculine)

महाबलैः (mahābalaiḥ) - with the greatly powerful ones (sons of Pāṇḍu) (by the mighty ones, by those of great strength)

(adjective)

Instrumental, masculine, plural of mahābala

mahābala - of great strength, very powerful

Compound type : bahuvrihi (mahā+bala)

• mahā – great, mighty
  adjective
• bala – strength, power
  noun (neuter)