महाभारतः mahābhārataḥ - book-7, chapter-170, verse-56

तस्य रूपमभूद्राजन्भीमसेनस्य संयुगे ।
खद्योतैरावृतस्येव पर्वतस्य दिनक्षये ॥५६॥

56. tasya rūpamabhūdrājanbhīmasenasya saṁyuge ,
khadyotairāvṛtasyeva parvatasya dinakṣaye.

56. tasya rūpam abhūt rājan bhīmasenasya saṃyuge
khadyotaiḥ āvṛtasya iva parvatasya dinakṣaye

56. rājan saṃyuge tasya bhīmasenasya rūpam abhūt
dinakṣaye khadyotaiḥ āvṛtasya parvatasya iva

56. O King, the form of Bhīmasena in battle became like that of a mountain covered by fireflies at dusk.

Words meanings summery:

• तस्य (tasya) - Of Bhīmasena (his, of him, of that)

• रूपम् (rūpam) - The physical appearance or aspect (form, appearance, shape, beauty)

• अभूत् (abhūt) - became, happened, was

• राजन् (rājan) - Dhṛtarāṣṭra (the blind king to whom the Mahābhārata is narrated) (O King!)

• भीमसेनस्य (bhīmasenasya) - Of Bhīmasena, one of the Pāṇḍava brothers, known for his strength. (of Bhīmasena)

• संयुगे (saṁyuge) - in battle, in conflict

• खद्योतैः (khadyotaiḥ) - by fireflies

• आवृतस्य (āvṛtasya) - of a mountain covered (by fireflies) (of one covered, of one surrounded)

• इव (iva) - as if, like, similar to

• पर्वतस्य (parvatasya) - of a mountain

• दिनक्षये (dinakṣaye) - at the end of the day, at dusk

Words meanings and morphology

तस्य (tasya) - Of Bhīmasena (his, of him, of that)

(pronoun)

Genitive, masculine, singular of tad

tad - that, he, she, it

Note: Agrees with 'bhīmasenasya'.

रूपम् (rūpam) - The physical appearance or aspect (form, appearance, shape, beauty)

(noun)

Nominative, neuter, singular of rūpa

rūpa - form, shape, appearance, beauty, nature

Root: rūp (class 10)

अभूत् (abhūt) - became, happened, was

(verb)

3rd person , singular, active, past aorist (luṅ) of bhū

Aorist Active

3rd person singular, Aorist Tense, Parasmaipada

Root: bhū (class 1)

राजन् (rājan) - Dhṛtarāṣṭra (the blind king to whom the Mahābhārata is narrated) (O King!)

(noun)

Vocative, masculine, singular of rājan

rājan - king, ruler, monarch

From root 'rāj' (to shine, to rule).

Root: rāj (class 1)

भीमसेनस्य (bhīmasenasya) - Of Bhīmasena, one of the Pāṇḍava brothers, known for his strength. (of Bhīmasena)

(proper noun)

Genitive, masculine, singular of bhīmasena

bhīmasena - Bhīmasena (name of a Pāṇḍava)

Compound 'bhīma' (terrible) + 'sena' (army, leader).

Compound type : tatpuruṣa (bhīma+sena)

• bhīma – terrible, fearful, formidable
  adjective (masculine)
  From root 'bhī' (to fear) + 'ma' suffix
  Root: bhī (class 3)
• sena – army, host, leader, commander
  noun (feminine)

Note: Qualifies 'rūpam' (implicitly, 'the form of his, i.e., Bhīmasena').

संयुगे (saṁyuge) - in battle, in conflict

(noun)

Locative, masculine, singular of saṃyuga

saṁyuga - battle, war, encounter, conflict

From root 'yuj' (to join) with prefix 'sam'

Prefix: sam

Root: yuj (class 7)

खद्योतैः (khadyotaiḥ) - by fireflies

(noun)

Instrumental, masculine, plural of khadyota

khadyota - firefly, glow-worm

Compound 'kha' (sky) + 'dyota' (shining). One who shines in the sky.

Compound type : tatpuruṣa (kha+dyota)

• kha – sky, space, ether, zero
  noun (neuter)
• dyota – shining, radiant, luminous
  adjective (masculine)
  From root 'dyut' (to shine)
  Root: dyut (class 1)

Note: Agent of 'āvṛtasya'.

आवृतस्य (āvṛtasya) - of a mountain covered (by fireflies) (of one covered, of one surrounded)

(participle)

Genitive, masculine, singular of āvṛta

āvṛta - covered, surrounded, enveloped, concealed

Past Passive Participle

From root 'vṛ' (to cover, enclose) with prefix 'ā'

Prefix: ā

Root: vṛ (class 5)

इव (iva) - as if, like, similar to

(indeclinable)

पर्वतस्य (parvatasya) - of a mountain

(noun)

Genitive, masculine, singular of parvata

parvata - mountain, hill, rock

From 'parvan' (knot, joint) referring to mountainous joints.

दिनक्षये (dinakṣaye) - at the end of the day, at dusk

(noun)

Locative, masculine, singular of dinakṣaya

dinakṣaya - end of the day, evening, dusk

Compound 'dina' (day) + 'kṣaya' (destruction, end).

Compound type : tatpuruṣa (dina+kṣaya)

• dina – day
  noun (neuter)
• kṣaya – end, destruction, decay, loss
  noun (masculine)
  From root 'kṣi' (to destroy, to perish)
  Root: kṣi (class 1)