महाभारतः mahābhārataḥ - book-1, chapter-219, verse-31

ते विभिन्नशिरोदेहाश्चक्रवेगाद्गतासवः ।
पेतुरास्ये महाकाया दीप्तस्य वसुरेतसः ॥३१॥

31. te vibhinnaśirodehāścakravegādgatāsavaḥ ,
peturāsye mahākāyā dīptasya vasuretasaḥ.

31. te vibhinnaśirodehāḥ cakravegāt gatāsavaḥ
petuḥ āsye mahākāyāḥ dīptasya vasuretasas

31. With their heads and bodies torn apart, their lives departed due to the discus's speed, those mighty-bodied beings fell into the mouth of the blazing Vasu-retas.

Words meanings summery:

• ते (te) - they, those

• विभिन्नशिरोदेहाः (vibhinnaśirodehāḥ) - whose heads and bodies are severed/torn apart

• चक्रवेगात् (cakravegāt) - due to the immense speed of Viṣṇu's discus (cakra) (from the speed of the discus)

• गतासवः (gatāsavaḥ) - dead (whose life-breaths have departed, lifeless)

• पेतुः (petuḥ) - they fell

• आस्ये (āsye) - into the mouth of the fiery entity (in the mouth, into the face)

• महाकायाः (mahākāyāḥ) - mighty-bodied, gigantic

• दीप्तस्य (dīptasya) - of the blazing entity (Vasu-retas) (of the blazing, of the shining)

• वसुरेतसस् (vasuretasas) - of the fiery mouth described in the previous verse (of Vasu-retas, of the one with fiery splendor, of Agni)

Words meanings and morphology

ते (te) - they, those

(pronoun)

Nominative, masculine, plural of tad

tad - that, those

Note: Refers to the rākṣasas, dānavas, and nāgas from the previous verse.

विभिन्नशिरोदेहाः (vibhinnaśirodehāḥ) - whose heads and bodies are severed/torn apart

(adjective)

Nominative, masculine, plural of vibhinnaśirodeha

vibhinnaśirodeha - having severed heads and bodies

Compound adjective describing the state of the beings.

Compound type : bahuvrīhi (vibhinna+śiras+deha)

• vibhinna – severed, broken, torn apart, pierced
  adjective (masculine)
  Past Passive Participle
  From root bhid (to split, break) with prefix vi.
  Prefix: vi
  Root: bhid (class 7)
• śiras – head, top
  noun (neuter)
• deha – body, physical form
  noun (masculine)

Note: Qualifies 'te'.

चक्रवेगात् (cakravegāt) - due to the immense speed of Viṣṇu's discus (cakra) (from the speed of the discus)

(noun)

Ablative, masculine, singular of cakravega

cakravega - speed of the discus, velocity of the wheel

Compound noun.

Compound type : tatpuruṣa (cakra+vega)

• cakra – wheel, discus, circle
  noun (neuter)
• vega – speed, velocity, force, current
  noun (masculine)

Note: Indicates the cause of their demise.

गतासवः (gatāsavaḥ) - dead (whose life-breaths have departed, lifeless)

(adjective)

Nominative, masculine, plural of gatāsu

gatāsu - having lost life, dead, lifeless

Bahuvrīhi compound.

Compound type : bahuvrīhi (gata+asu)

• gata – gone, departed
  adjective (masculine)
  Past Passive Participle
  From root gam (to go)
  Root: gam (class 1)
• asu – breath, life, vital air
  noun (masculine)

Note: Qualifies 'te'.

पेतुः (petuḥ) - they fell

(verb)

3rd person , plural, active, perfect (liṭ) of pat

Perfect tense form

Root: pat (class 1)

आस्ये (āsye) - into the mouth of the fiery entity (in the mouth, into the face)

(noun)

Locative, neuter, singular of āsya

āsya - mouth, face

Note: The locative case can indicate motion towards a place with certain verbs like 'fall'.

महाकायाः (mahākāyāḥ) - mighty-bodied, gigantic

(adjective)

Nominative, masculine, plural of mahākāya

mahākāya - of great body, gigantic, massive

Compound adjective.

Compound type : karmadhāraya (mahā+kāya)

• mahā – great, mighty, large
  adjective
• kāya – body, collection, group
  noun (masculine)

Note: Qualifies 'te'.

दीप्तस्य (dīptasya) - of the blazing entity (Vasu-retas) (of the blazing, of the shining)

(adjective)

Genitive, masculine, singular of dīpta

dīpta - blazing, shining, inflamed, bright

Past Passive Participle

From root dīp (to shine, blaze)

Root: dīp (class 4)

Note: Qualifies 'vasuretasas'.

वसुरेतसस् (vasuretasas) - of the fiery mouth described in the previous verse (of Vasu-retas, of the one with fiery splendor, of Agni)

(noun)

Genitive, masculine, singular of vasuretas

vasuretas - having fire or light as semen/essence, an epithet of Agni (fire), the sun

Bahuvrīhi compound, 'Vasu' (wealth, light, fire) + 'Retas' (semen, essence).

Compound type : bahuvrīhi (vasu+retas)

• vasu – wealth, gem, light, fire, excellent
  noun (masculine)
• retas – semen, seed, essence, fluid, splendor
  noun (neuter)

Note: In context, this is a poetic reference to fire.