महाभारतः mahābhārataḥ - book-8, chapter-12, verse-51

अथ कृष्णौ शरशतैरश्वत्थाम्नार्दितौ भृशम् ।
सरश्मिजालनिकरौ युगान्तार्काविवासतुः ॥५१॥

51. atha kṛṣṇau śaraśatairaśvatthāmnārditau bhṛśam ,
saraśmijālanikarau yugāntārkāvivāsatuḥ.

51. atha kṛṣṇau śaraśataiḥ aśvatthāmnā ārditau
bhṛśam saraśmijālanikarau yugāntārkau iva āsatuḥ

51. atha aśvatthāmnā śaraśataiḥ bhṛśam ārditau
kṛṣṇau saraśmijālanikarau yugāntārkau iva āsatuḥ

51. Then, the two Krishnas (Krishna and Arjuna), severely afflicted by Ashvatthama with hundreds of arrows, appeared like two suns at the end of a cosmic age (yuga), blazing with networks of rays.

Words meanings summery:

• अथ (atha) - then, now, thereupon

• कृष्णौ (kṛṣṇau) - Lord Krishna and Arjuna, who is also known by the epithet Kṛṣṇa (the two Krishnas)

• शरशतैः (śaraśataiḥ) - by hundreds of arrows

• अश्वत्थाम्ना (aśvatthāmnā) - by Ashvatthama

• आर्दितौ (ārditau) - distressed, afflicted, wounded (dual)

• भृशम् (bhṛśam) - greatly, exceedingly, severely, intensely

• सरश्मिजालनिकरौ (saraśmijālanikarau) - having masses of ray-nets, blazing with networks of rays

• युगान्तार्कौ (yugāntārkau) - two suns at the end of a cosmic age (yuga)

• इव (iva) - like, as, as if

• आसतुः (āsatuḥ) - they were, they existed, they appeared

Words meanings and morphology

अथ (atha) - then, now, thereupon

(indeclinable)

कृष्णौ (kṛṣṇau) - Lord Krishna and Arjuna, who is also known by the epithet Kṛṣṇa (the two Krishnas)

(proper noun)

Nominative, masculine, dual of kṛṣṇa

kṛṣṇa - Krishna; dark, black

शरशतैः (śaraśataiḥ) - by hundreds of arrows

(noun)

Instrumental, masculine, plural of śaraśata

śaraśata - hundreds of arrows

Compound type : tatpuruṣa (śara+śata)

• śara – arrow
  noun (masculine)
• śata – hundred
  noun (neuter)

Note: Used as masculine in plural here.

अश्वत्थाम्ना (aśvatthāmnā) - by Ashvatthama

(proper noun)

Instrumental, masculine, singular of aśvatthāman

aśvatthāman - Ashvatthama (son of Drona)

आर्दितौ (ārditau) - distressed, afflicted, wounded (dual)

(adjective)

Nominative, masculine, dual of ārdita

ārdita - distressed, afflicted, tormented

Past Passive Participle

Past passive participle of root ṛd (to vex, torment) with prefix ā-

Prefix: ā

Root: ṛd (class 6)

Note: Adjective for the two Krishnas.

भृशम् (bhṛśam) - greatly, exceedingly, severely, intensely

(indeclinable)

सरश्मिजालनिकरौ (saraśmijālanikarau) - having masses of ray-nets, blazing with networks of rays

(adjective)

Nominative, masculine, dual of saraśmijālanikara

saraśmijālanikara - having an abundance of ray-nets, radiant with light

Compound type : bahuvrīhi (sa+raśmijāla+nikara)

• sa – with, together with
  indeclinable
  prefix implying 'with'
• raśmijāla – net of rays, network of light
  noun (neuter)
• nikara – heap, mass, collection, abundance
  noun (masculine)

Note: Adjective for the two Krishnas.

युगान्तार्कौ (yugāntārkau) - two suns at the end of a cosmic age (yuga)

(noun)

Nominative, masculine, dual of yugāntārka

yugāntārka - sun at the end of a cosmic age, doomsday sun

Compound type : tatpuruṣa (yugānta+arka)

• yugānta – end of a cosmic age
  noun (masculine)
• arka – sun, ray, fire
  noun (masculine)

Note: Dual form for 'two suns'.

इव (iva) - like, as, as if

(indeclinable)

आसतुः (āsatuḥ) - they were, they existed, they appeared

(verb)

3rd person , dual, active, past perfect (liṭ) of as

Perfect

3rd person dual active perfect of root as (to be)

Root: as (class 2)