महाभारतः mahābhārataḥ - book-13, chapter-17, verse-65

आकाशनिधिरूपश्च निपाती उरगः खगः ।
रौद्ररूपोंऽशुरादित्यो वसुरश्मिः सुवर्चसी ॥६५॥

65. ākāśanidhirūpaśca nipātī uragaḥ khagaḥ ,
raudrarūpoṁ'śurādityo vasuraśmiḥ suvarcasī.

65. ākāśanidhirūpaḥ ca nipātī uragaḥ khagaḥ
raudrarūpaḥ aṃśuḥ ādityaḥ vasuraśmiḥ suvarcasī

65. ākāśanidhirūpaḥ ca nipātī uragaḥ khagaḥ
raudrarūpaḥ aṃśuḥ ādityaḥ vasuraśmiḥ suvarcasī

65. He has the form of a treasure of the sky, and he descends; he is both the serpent and the bird. He possesses a terrifying form; he is a ray of light, the sun (āditya), with brilliant rays, and is exceedingly glorious.

Words meanings summery:

• आकाशनिधिरूपः (ākāśanidhirūpaḥ) - One who has the form of a treasure of the sky (an epithet) (Having the form of a treasure of the sky)

• च (ca) - and (and, also)

• निपाती (nipātī) - The one who falls/descends (an epithet) (Falling, descending, one who falls/descends)

• उरगः (uragaḥ) - The serpent (an epithet) (Serpent, snake (literally 'chest-goer'))

• खगः (khagaḥ) - The bird (an epithet) (Bird (literally 'sky-goer'))

• रौद्ररूपः (raudrarūpaḥ) - The one with a terrifying form (an epithet) (Having a terrible/fierce form)

• अंशुः (aṁśuḥ) - A ray of light (an epithet) (Ray, beam of light, filament, sun)

• आदित्यः (ādityaḥ) - The sun (āditya) (an epithet) (The sun, a son of Aditi, a god)

• वसुरश्मिः (vasuraśmiḥ) - One with brilliant rays (an epithet) (Having radiant rays, having excellent rays, having wealth as rays)

• सुवर्चसी (suvarcasī) - Exceedingly glorious (an epithet) (Very radiant, glorious, brilliant)

Words meanings and morphology

आकाशनिधिरूपः (ākāśanidhirūpaḥ) - One who has the form of a treasure of the sky (an epithet) (Having the form of a treasure of the sky)

(adjective)

Nominative, masculine, singular of ākāśanidhirūpa

ākāśanidhirūpa - having the form of a treasure of the sky

Compound type : bahuvrihi (ākāśa+nidhi+rūpa)

• ākāśa – sky, space, ether
  noun (masculine)
  From ā + kāś (to appear, shine)
  Prefix: ā
  Root: kāś (class 1)
• nidhi – treasure, store, receptacle
  noun (masculine)
  From ni + dhā (to place, put)
  Prefix: ni
  Root: dhā (class 3)
• rūpa – form, shape, appearance
  noun (neuter)
  Root: rūp (class 10)

च (ca) - and (and, also)

(indeclinable)

निपाती (nipātī) - The one who falls/descends (an epithet) (Falling, descending, one who falls/descends)

(adjective)

Nominative, masculine, singular of nipātin

nipātin - falling, descending, one who falls/descends

Agent noun

From ni + pat (to fall) with suffix -in

Prefix: ni

Root: pat (class 1)

उरगः (uragaḥ) - The serpent (an epithet) (Serpent, snake (literally 'chest-goer'))

(noun)

Nominative, masculine, singular of uraga

uraga - serpent, snake

From uras (chest) + ga (going)

Compound type : upapada-tatpurusha (uras+ga)

• uras – chest, breast
  noun (neuter)
• ga – going, moving, goer
  adjective (masculine)
  Kṛt-pratyaya
  From root gam (to go)
  Root: gam (class 1)

खगः (khagaḥ) - The bird (an epithet) (Bird (literally 'sky-goer'))

(noun)

Nominative, masculine, singular of khaga

khaga - bird, heavenly body (sun, moon, planet)

From kha (sky, space) + ga (going)

Compound type : upapada-tatpurusha (kha+ga)

• kha – sky, space, ether, zero
  noun (neuter)
• ga – going, moving, goer
  adjective (masculine)
  Kṛt-pratyaya
  From root gam (to go)
  Root: gam (class 1)

रौद्ररूपः (raudrarūpaḥ) - The one with a terrifying form (an epithet) (Having a terrible/fierce form)

(adjective)

Nominative, masculine, singular of raudrarūpa

raudrarūpa - having a terrible/fierce form

Compound type : bahuvrihi (raudra+rūpa)

• raudra – terrible, fierce, violent, belonging to Rudra
  adjective (masculine)
  From rudra
• rūpa – form, shape, appearance
  noun (neuter)
  Root: rūp (class 10)

अंशुः (aṁśuḥ) - A ray of light (an epithet) (Ray, beam of light, filament, sun)

(noun)

Nominative, masculine, singular of aṃśu

aṁśu - ray, beam of light, filament, sun

आदित्यः (ādityaḥ) - The sun (āditya) (an epithet) (The sun, a son of Aditi, a god)

(noun)

Nominative, masculine, singular of āditya

āditya - the sun, a son of Aditi, a god

From aditi (infinity, mother of gods) with ya suffix

वसुरश्मिः (vasuraśmiḥ) - One with brilliant rays (an epithet) (Having radiant rays, having excellent rays, having wealth as rays)

(adjective)

Nominative, masculine, singular of vasuraśmi

vasuraśmi - having radiant rays, having excellent rays

Compound type : bahuvrihi (vasu+raśmi)

• vasu – wealth, light, excellent, good, a Vasu (deity)
  noun (neuter)
  Root: vas (class 1)
• raśmi – ray, beam, bridle, rope
  noun (masculine)
  Root: rāś (class 1)

सुवर्चसी (suvarcasī) - Exceedingly glorious (an epithet) (Very radiant, glorious, brilliant)

(adjective)

Nominative, masculine, singular of suvarcasin

suvarcasin - very radiant, glorious, brilliant

From su + varcas + -in suffix. Varcas (splendor, brilliance, energy)