महाभारतः mahābhārataḥ - book-7, chapter-114, verse-21

मरीचिविकचस्येव राजन्भानुमतो वपुः ।
आसीदाधिरथेर्घोरं वपुः शरशतार्चिषः ॥२१॥

21. marīcivikacasyeva rājanbhānumato vapuḥ ,
āsīdādhiratherghoraṁ vapuḥ śaraśatārciṣaḥ.

21. marīcivikacasya iva rājan bhānumataḥ vapuḥ
āsīt ādhiratheḥ ghoram vapuḥ śaraśatārciṣaḥ

21. rājan ādhiratheḥ ghoram vapuḥ śaraśatārciṣaḥ
marīcivikacasya bhānumataḥ vapuḥ iva āsīt

21. O King, the dreadful form of Karna was like that of the sun with its fully bloomed rays, appearing as if his splendor consisted of a hundred arrows.

Words meanings summery:

• मरीचिविकचस्य (marīcivikacasya) - of the sun with its fully bloomed rays (of one whose rays are expanded; of one whose beams are blooming)

• इव (iva) - like (like, as, as if)

• राजन् (rājan) - O King (addressing Dhṛtarāṣṭra) (O king)

• भानुमतः (bhānumataḥ) - of the sun (of the sun, of a bright object, of a possessor of light)

• वपुः (vapuḥ) - splendor, appearance (body, form, splendor, appearance)

• आसीत् (āsīt) - was (was, existed)

• आधिरथेः (ādhiratheḥ) - of Karna (of the son of Adhiratha)

• घोरम् (ghoram) - dreadful (dreadful, terrible, fearful)

• वपुः (vapuḥ) - form (body, form, splendor, appearance)

• शरशतार्चिषः (śaraśatārciṣaḥ) - as if his splendor consisted of a hundred arrows (whose radiance is a hundred arrows, whose flames are a hundred arrows)

Words meanings and morphology

मरीचिविकचस्य (marīcivikacasya) - of the sun with its fully bloomed rays (of one whose rays are expanded; of one whose beams are blooming)

(adjective)

Genitive, masculine, singular of marīcivikaca

marīcivikaca - one whose rays are expanded/blooming

Bahuvrīhi compound describing something with 'marīci' (rays) that are 'vikaca' (expanded/blooming).

Compound type : bahuvrīhi (marīci+vikaca)

• marīci – ray, beam, spark, atom
  noun (masculine)
• vikaca – expanded, bloomed, opened, radiant
  adjective (masculine)
  Past Passive Participle
  From root 'kac' (to shine, to bind) with 'vi' (forth, apart). Used adjectivally.
  Prefix: vi
  Root: kac (class 1)

Note: Qualifies 'bhānumataḥ' (sun).

इव (iva) - like (like, as, as if)

(indeclinable)

राजन् (rājan) - O King (addressing Dhṛtarāṣṭra) (O king)

(noun)

Vocative, masculine, singular of rājan

rājan - king, sovereign

भानुमतः (bhānumataḥ) - of the sun (of the sun, of a bright object, of a possessor of light)

(noun)

Genitive, masculine, singular of bhānumat

bhānumat - radiant, bright; the sun

Possessive suffix -mat applied to 'bhānu' (light, ray).

Note: Qualifies for comparison with Karna's form.

वपुः (vapuḥ) - splendor, appearance (body, form, splendor, appearance)

(noun)

Nominative, neuter, singular of vapus

vapus - body, form, figure, personal appearance, splendor, beauty

Note: Refers to the splendor of the sun.

आसीत् (āsīt) - was (was, existed)

(verb)

3rd person , singular, active, past imperfect (laṅ) of as

Root: as (class 2)

आधिरथेः (ādhiratheḥ) - of Karna (of the son of Adhiratha)

(proper noun)

Genitive, masculine, singular of ādhiraṭhi

ādhiraṭhi - son of Adhiratha (an epithet for Karna)

Derived from Adhiratha, indicating descent.

Note: Refers to Karna.

घोरम् (ghoram) - dreadful (dreadful, terrible, fearful)

(adjective)

Nominative, neuter, singular of ghora

ghora - dreadful, terrible, fearful, formidable

Note: Qualifies 'vapuḥ'.

वपुः (vapuḥ) - form (body, form, splendor, appearance)

(noun)

Nominative, neuter, singular of vapus

vapus - body, form, figure, personal appearance, splendor, beauty

Note: Refers to Karna's form.

शरशतार्चिषः (śaraśatārciṣaḥ) - as if his splendor consisted of a hundred arrows (whose radiance is a hundred arrows, whose flames are a hundred arrows)

(adjective)

Genitive, masculine, singular of śaraśatārcis

śaraśatārcis - having a hundred arrows as rays/splendor

Bahuvrīhi compound. 'śaraśata' (hundred arrows) + 'arcis' (splendor/rays).

Compound type : bahuvrīhi (śaraśata+arcis)

• śaraśata – a hundred arrows
  noun (neuter)
  Tatpuruṣa compound: 'śata' (hundred) of 'śara' (arrows).
• arcis – flame, ray, light, splendor, brilliance
  noun (neuter)
  Root: arc (class 1)

Note: Qualifies 'ādhira theḥ' and refers to Karna's form.