महाभारतः mahābhārataḥ - book-4, chapter-53, verse-56

प्रमाथिनं महावीर्यं दृढमुष्टिं दुरासदम् ।
जेतारं देवदैत्यानां सर्पाणां च महारथम् ॥५६॥

56. pramāthinaṁ mahāvīryaṁ dṛḍhamuṣṭiṁ durāsadam ,
jetāraṁ devadaityānāṁ sarpāṇāṁ ca mahāratham.

56. pramāthinam mahāvīryam dṛḍhamuṣṭim durāsadam
jetāram devadaityānām sarpāṇām ca mahāratham

56. (They praised Droṇa for fighting Arjuna,) the destroyer, the greatly valorous, the firm-fisted, the unapproachable, the conqueror of gods, demons, and serpents, and the great charioteer.

Words meanings summery:

• प्रमाथिनम् (pramāthinam) - the crusher, destroyer, tormentor

• महावीर्यम् (mahāvīryam) - the greatly valorous one, one of great prowess

• दृढमुष्टिम् (dṛḍhamuṣṭim) - the firm-fisted, one with a strong grip

• दुरासदम् (durāsadam) - the unapproachable, difficult to assail

• जेतारम् (jetāram) - the conqueror

• देवदैत्यानाम् (devadaityānām) - of gods and demons

• सर्पाणाम् (sarpāṇām) - of serpents, of Nāgas

• च (ca) - and, also

• महारथम् (mahāratham) - the great charioteer

Words meanings and morphology

प्रमाथिनम् (pramāthinam) - the crusher, destroyer, tormentor

(adjective)

Accusative, masculine, singular of pramāthin

pramāthin - crushing, destroying, tormenting, destroyer

Agent noun

From root math (to churn, crush) with upasarga pra. ṇini suffix.

Prefix: pra

Root: math (class 1)

महावीर्यम् (mahāvīryam) - the greatly valorous one, one of great prowess

(adjective)

Accusative, masculine, singular of mahāvīrya

mahāvīrya - greatly valorous, very powerful, of great energy/prowess

Compound type : karmadhāraya (mahā+vīrya)

• mahā – great, mighty, large
  adjective (masculine/feminine/neuter)
• vīrya – valor, prowess, strength, energy
  noun (neuter)
  Root: vīr (class 10)

Note: Describes Arjuna.

दृढमुष्टिम् (dṛḍhamuṣṭim) - the firm-fisted, one with a strong grip

(adjective)

Accusative, masculine, singular of dṛḍhamuṣṭi

dṛḍhamuṣṭi - firm-fisted, having a strong grip (on a weapon)

Compound type : bahuvrihi (dṛḍha+muṣṭi)

• dṛḍha – firm, strong, hard, steady
  adjective (masculine/feminine/neuter)
  Past Passive Participle
  From root dṛh (to be firm).
  Root: dṛh (class 1)
• muṣṭi – fist, grasp, handle
  noun (feminine)
  Root: muṣ (class 9)

Note: Describes Arjuna.

दुरासदम् (durāsadam) - the unapproachable, difficult to assail

(adjective)

Accusative, masculine, singular of durāsada

durāsada - difficult of access, unapproachable, invincible, formidable

From root sad (to go) with upasarga ā and prefix dur.

Compound type : nitya-samāsa (dur+āsada)

• dur – bad, difficult, ill
  indeclinable
  Prefix indicating difficulty or badness.
• āsada – approaching, assailing
  noun (masculine)
  From root sad (to go, sit) with upasarga ā.
  Prefix: ā
  Root: sad (class 1)

Note: Describes Arjuna.

जेतारम् (jetāram) - the conqueror

(noun)

Accusative, masculine, singular of jetṛ

jetṛ - conqueror, victor, subduer

Agent noun

From root ji (to conquer) with tṛc suffix.

Root: ji (class 1)

Note: Describes Arjuna. Takes genitive objects ('devadaityānām', 'sarpāṇām').

देवदैत्यानाम् (devadaityānām) - of gods and demons

(noun)

Genitive, masculine, plural of devadaitya

devadaitya - gods and demons

Compound type : dvandva (deva+daitya)

• deva – god, deity, celestial being
  noun (masculine)
  Root: div (class 4)
• daitya – demon, son of Diti
  noun (masculine)
  From Diti + ṇya (descendant suffix).

सर्पाणाम् (sarpāṇām) - of serpents, of Nāgas

(noun)

Genitive, masculine, plural of sarpa

sarpa - serpent, snake, Nāga

From root sṛp (to creep, glide).

Root: sṛp (class 1)

Note: Refers to the mythical serpent beings.

च (ca) - and, also

(indeclinable)

महारथम् (mahāratham) - the great charioteer

(noun)

Accusative, masculine, singular of mahāratha

mahāratha - great charioteer, a warrior capable of fighting many thousands of adversaries

Compound type : karmadhāraya (mahā+ratha)

• mahā – great, mighty, large
  adjective (masculine/feminine/neuter)
• ratha – chariot, fighter in a chariot
  noun (masculine)
  Root: ram (class 1)

Note: Describes Arjuna.