महाभारतः mahābhārataḥ - book-12, chapter-3, verse-15

ततोऽन्तरिक्षे ददृशे विश्वरूपः करालवान् ।
राक्षसो लोहितग्रीवः कृष्णाङ्गो मेघवाहनः ॥१५॥

15. tato'ntarikṣe dadṛśe viśvarūpaḥ karālavān ,
rākṣaso lohitagrīvaḥ kṛṣṇāṅgo meghavāhanaḥ.

15. tataḥ antarikṣe dadṛśe viśvarūpaḥ karālavān
rākṣasaḥ lohitagrīvaḥ kṛṣṇāṅgaḥ meghavāhanaḥ

15. tataḥ antarikṣe viśvarūpaḥ karālavān rākṣasaḥ
lohitagrīvaḥ kṛṣṇāṅgaḥ meghavāhanaḥ dadṛśe

15. Then, in the sky, a dreadful demon of universal form was seen, red-necked, black-bodied, and riding on clouds.

Words meanings summery:

• ततः (tataḥ) - then, from there, thereupon

• अन्तरिक्षे (antarikṣe) - in the sky, in space

• ददृशे (dadṛśe) - was seen, appeared

• विश्वरूपः (viśvarūpaḥ) - of universal form, having all forms

• करालवान् (karālavān) - formidable, dreadful, terrifying

• राक्षसः (rākṣasaḥ) - a demon, an evil spirit

• लोहितग्रीवः (lohitagrīvaḥ) - red-necked

• कृष्णाङ्गः (kṛṣṇāṅgaḥ) - black-bodied, dark-limbed

• मेघवाहनः (meghavāhanaḥ) - cloud-vehicled, riding on clouds

Words meanings and morphology

ततः (tataḥ) - then, from there, thereupon

(indeclinable)

अन्तरिक्षे (antarikṣe) - in the sky, in space

(noun)

Locative, neuter, singular of antarikṣa

antarikṣa - sky, atmosphere, space, firmament

ददृशे (dadṛśe) - was seen, appeared

(verb)

3rd person , singular, middle, perfect (liṭ) of dṛś

Root: dṛś (class 1)

विश्वरूपः (viśvarūpaḥ) - of universal form, having all forms

(adjective)

Nominative, masculine, singular of viśvarūpa

viśvarūpa - universal form, omniform, omnipresent

Compound type : bahuvrīhi (viśva+rūpa)

• viśva – all, every, universal
  adjective
• rūpa – form, appearance, shape, image
  noun (neuter)

करालवान् (karālavān) - formidable, dreadful, terrifying

(adjective)

Nominative, masculine, singular of karālavat

karālavat - having a dreadful form, formidable, terrible

राक्षसः (rākṣasaḥ) - a demon, an evil spirit

(noun)

Nominative, masculine, singular of rākṣasa

rākṣasa - demon, evil spirit, ogre

लोहितग्रीवः (lohitagrīvaḥ) - red-necked

(adjective)

Nominative, masculine, singular of lohitagrīva

lohitagrīva - having a red neck

Compound type : bahuvrīhi (lohita+grīva)

• lohita – red, blood-red
  adjective
• grīva – neck
  noun (feminine)

कृष्णाङ्गः (kṛṣṇāṅgaḥ) - black-bodied, dark-limbed

(adjective)

Nominative, masculine, singular of kṛṣṇāṅga

kṛṣṇāṅga - having a black body

Compound type : bahuvrīhi (kṛṣṇa+aṅga)

• kṛṣṇa – black, dark, dark-blue
  adjective
• aṅga – body, limb, part
  noun (neuter)

मेघवाहनः (meghavāhanaḥ) - cloud-vehicled, riding on clouds

(adjective)

Nominative, masculine, singular of meghavāhana

meghavāhana - having clouds as a vehicle, cloud-mounted

Compound type : bahuvrīhi (megha+vāhana)

• megha – cloud
  noun (masculine)
• vāhana – vehicle, mount, carrier
  noun (neuter)