महाभारतः mahābhārataḥ - book-4, chapter-44, verse-8

एको गन्धर्वराजानं चित्रसेनमरिंदमः ।
विजिग्ये तरसा संख्ये सेनां चास्य सुदुर्जयाम् ॥८॥

8. eko gandharvarājānaṁ citrasenamariṁdamaḥ ,
vijigye tarasā saṁkhye senāṁ cāsya sudurjayām.

8. ekaḥ gandharvarājānam citrasenam ariṃdamaḥ
vijigye tarasā saṅkhye senām ca asya sudurjayām

8. The subduer of enemies (ariṃdama), he alone, conquered King Citrasena of the Gandharvas and his very formidable army with great force in battle.

Words meanings summery:

• एकः (ekaḥ) - he alone (referring to Arjuna) (one, alone, single)

• गन्धर्वराजानम् (gandharvarājānam) - king of Gandharvas

• चित्रसेनम् (citrasenam) - the Gandharva King Citrasena (Citrasena)

• अरिंदमः (ariṁdamaḥ) - an epithet for Arjuna (subduer of enemies)

• विजिग्ये (vijigye) - conquered, won

• तरसा (tarasā) - with great force (by force, with speed, with might)

• सङ्ख्ये (saṅkhye) - in battle, in combat

• सेनाम् (senām) - army, host

• च (ca) - and, also

• अस्य (asya) - his (referring to Citrasena's army) (his, its)

• सुदुर्जयाम् (sudurjayām) - very difficult to conquer, unconquerable

Words meanings and morphology

एकः (ekaḥ) - he alone (referring to Arjuna) (one, alone, single)

(adjective)

Nominative, masculine, singular of eka

eka - one, alone, single

गन्धर्वराजानम् (gandharvarājānam) - king of Gandharvas

(noun)

Accusative, masculine, singular of gandharvarāja

gandharvarāja - king of Gandharvas

Compound type : tatpurusha (gandharva+rājan)

• gandharva – celestial musician, Gandharva
  noun (masculine)
• rājan – king, ruler
  noun (masculine)

चित्रसेनम् (citrasenam) - the Gandharva King Citrasena (Citrasena)

(proper noun)

Accusative, masculine, singular of citrasena

citrasena - Citrasena (proper name, literally 'having a variegated army')

अरिंदमः (ariṁdamaḥ) - an epithet for Arjuna (subduer of enemies)

(adjective)

Nominative, masculine, singular of ariṃdama

ariṁdama - subduer of enemies, enemy-tamer

Derived from ari (enemy) and dam (to tame, subdue).

Compound type : upapada tatpurusha (ari+dama)

• ari – enemy, foe
  noun (masculine)
• dama – taming, subduing
  noun (masculine)
  agent noun
  Derived from root dam (to tame)
  Root: dam (class 1)

विजिग्ये (vijigye) - conquered, won

(verb)

3rd person , singular, middle, perfect (liṭ) of vi-ji

perfect tense

3rd person singular middle voice perfect (liṭ) of vi-ji

Prefix: vi

Root: ji (class 1)

तरसा (tarasā) - with great force (by force, with speed, with might)

(noun)

Instrumental, neuter, singular of taras

taras - force, might, speed, energy

सङ्ख्ये (saṅkhye) - in battle, in combat

(noun)

Locative, neuter, singular of saṅkhya

saṅkhya - battle, war, combat

सेनाम् (senām) - army, host

(noun)

Accusative, feminine, singular of senā

senā - army, host, military force

च (ca) - and, also

(indeclinable)

अस्य (asya) - his (referring to Citrasena's army) (his, its)

(pronoun)

Genitive, masculine, singular of idam

idam - this, that

Note: Can also be neuter genitive singular or masculine nominative dual or accusative dual. Here it refers to 'his' (Citrasena's).

सुदुर्जयाम् (sudurjayām) - very difficult to conquer, unconquerable

(adjective)

Accusative, feminine, singular of sudurjaya

sudurjaya - very difficult to conquer, unconquerable

Compound of su (very), dur (difficult), and jaya (conquest, from root ji).

Compound type : praadi tatpurusha (su+dur+jaya)

• su – good, excellent, well, very
  indeclinable
• dur – bad, difficult, ill
  indeclinable
• jaya – victory, conquest, victorious
  noun (masculine)
  verbal noun
  Derived from root ji (to conquer)
  Root: ji (class 1)

Note: Agrees with senām.