महाभारतः mahābhārataḥ - book-3, chapter-48, verse-4

भीमार्जुनौ पुरोधाय यदा तौ रणमूर्धनि ।
स्थास्येते सिंहविक्रान्तावश्विनाविव दुःसहौ ।
न शेषमिह पश्यामि तदा सैन्यस्य संजय ॥४॥

4. bhīmārjunau purodhāya yadā tau raṇamūrdhani ,
sthāsyete siṁhavikrāntāvaśvināviva duḥsahau ,
na śeṣamiha paśyāmi tadā sainyasya saṁjaya.

4. bhīmārjunau purudhāya yadā tau
raṇamūrdhani sthāsyete siṃhavikrāntau
aśvinau iva duḥsahau na śeṣam
iha paśyāmi tadā sainyasya saṃjaya

4. O Sanjaya, when those two, Bhima and Arjuna, stand at the forefront of battle, having been placed there as leaders, irresistible and displaying the valor of lions, just like the two Ashvins, then I see no army remaining here.

Words meanings summery:

• भीमार्जुनौ (bhīmārjunau) - Bhima and Arjuna

• पुरुधाय (purudhāya) - having placed in front, having made a leader, having placed at the head

• यदा (yadā) - when, at what time

• तौ (tau) - Refers to Bhima and Arjuna. (those two)

• रणमूर्धनि (raṇamūrdhani) - at the forefront of battle, at the head of the battle

• स्थास्येते (sthāsyete) - will stand, will remain

• सिंहविक्रान्तौ (siṁhavikrāntau) - lion-valiant, possessing a lion's prowess

• अश्विनौ (aśvinau) - the two Ashvins

• इव (iva) - like, as, as if

• दुःसहौ (duḥsahau) - irresistible, unbearable, hard to endure

• न (na) - not, no

• शेषम् (śeṣam) - any remainder of the army (remainder, residue, what is left)

• इह (iha) - here, in this world

• पश्यामि (paśyāmi) - I see, I behold

• तदा (tadā) - then, at that time

• सैन्यस्य (sainyasya) - of the army

• संजय (saṁjaya) - Addressing Sanjaya, Dhritarashtra's charioteer and narrator. (O Sanjaya)

Words meanings and morphology

भीमार्जुनौ (bhīmārjunau) - Bhima and Arjuna

(proper noun)

Accusative, masculine, dual of bhīmārjuna

bhīmārjuna - Bhima and Arjuna (dvandva compound)

Compound type : dvandva (bhīma+arjuna)

• bhīma – Bhima (name of a Pandava hero)
  proper noun (masculine)
  Root: bhī (class 3)
• arjuna – Arjuna (name of a Pandava hero)
  proper noun (masculine)
  Root: ṛj

Note: Object of the implied action with purudhāya.

पुरुधाय (purudhāya) - having placed in front, having made a leader, having placed at the head

(indeclinable)

absolutive (gerund)

From puras (before, in front) + dhā (to place)

Root: dhā (class 3)

Note: Absolutive verb, indicating a preceding action.

यदा (yadā) - when, at what time

(indeclinable)

तौ (tau) - Refers to Bhima and Arjuna. (those two)

(pronoun)

Nominative, masculine, dual of tad

tad - that, those

Note: Subject of sthāsyete.

रणमूर्धनि (raṇamūrdhani) - at the forefront of battle, at the head of the battle

(noun)

Locative, masculine, singular of raṇamūrdhan

raṇamūrdhan - forefront of battle

Compound type : tatpuruṣa (raṇa+mūrdhan)

• raṇa – battle, fight
  noun (masculine)
  Root: raṇ (class 1)
• mūrdhan – head, top, foremost part
  noun (masculine)

स्थास्येते (sthāsyete) - will stand, will remain

(verb)

3rd person , dual, middle, future (lṛṭ) of sthā

Root: sthā (class 1)

Note: The stem is sthā-sya.

सिंहविक्रान्तौ (siṁhavikrāntau) - lion-valiant, possessing a lion's prowess

(adjective)

Nominative, masculine, dual of siṃhavikrānta

siṁhavikrānta - lion-valiant, having the prowess of a lion

Compound type : tatpuruṣa (siṃha+vikrānta)

• siṃha – lion
  noun (masculine)
• vikrānta – valorous, powerful, courageous, mighty, stride, step
  adjective (masculine)
  Past Passive Participle
  From vi + root kram (to stride, step, to be powerful)
  Prefix: vi
  Root: kram (class 1)

Note: Qualifies tau (Bhima and Arjuna).

अश्विनौ (aśvinau) - the two Ashvins

(proper noun)

Nominative, masculine, dual of aśvin

aśvin - the Ashvins (divine twin horsemen, celestial physicians)

इव (iva) - like, as, as if

(indeclinable)

दुःसहौ (duḥsahau) - irresistible, unbearable, hard to endure

(adjective)

Nominative, masculine, dual of duḥsaha

duḥsaha - hard to bear, irresistible, unbearable

Compound type : avyayībhāva (dus+saha)

• dus – difficult, bad, hard
  indeclinable
• saha – enduring, bearing, powerful, strong
  adjective (masculine)
  From root sah (to bear, endure)
  Root: sah (class 1)

Note: Qualifies tau (Bhima and Arjuna).

न (na) - not, no

(indeclinable)

शेषम् (śeṣam) - any remainder of the army (remainder, residue, what is left)

(noun)

Accusative, masculine, singular of śeṣa

śeṣa - remainder, residue, rest, what is left

From root śiṣ (to leave as a remainder)

Root: śiṣ (class 7)

Note: Direct object of paśyāmi.

इह (iha) - here, in this world

(indeclinable)

पश्यामि (paśyāmi) - I see, I behold

(verb)

1st person , singular, active, present (laṭ) of dṛś

Present active participle stem (paśyat) from root dṛś

Present stem paśya from root dṛś

Root: dṛś (class 1)

Note: Speaker is Dhritarashtra.

तदा (tadā) - then, at that time

(indeclinable)

सैन्यस्य (sainyasya) - of the army

(noun)

Genitive, neuter, singular of sainya

sainya - army, host, military force

From senā (army) + suffix ya

Note: Modifies śeṣam.

संजय (saṁjaya) - Addressing Sanjaya, Dhritarashtra's charioteer and narrator. (O Sanjaya)

(proper noun)

Vocative, masculine, singular of saṃjaya

saṁjaya - Sanjaya (name of a character in the Mahabharata)

Prefix: sam

Root: ji (class 1)