योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-158, verse-13

देहो मेरुशताकारमहाशव इवाभवत् ।
द्वितीयोर्वीनिभो व्योम्नः पपाताशनिवज्रवत् ॥ १३ ॥

deho meruśatākāramahāśava ivābhavat ,
dvitīyorvīnibho vyomnaḥ papātāśanivajravat 13

13. dehaḥ meruśatākāramahāśavaḥ iva abhavat
dvitīyorvīnibhaḥ vyomnaḥ papāta aśanivajravat

13. dehaḥ meruśatākāramahāśavaḥ iva abhavat,
[saḥ ca] dvitīyorvīnibhaḥ vyomnaḥ aśanivajravat papāta

13. His body became like a colossal corpse, resembling a hundred Mount Merus in size, and resembling a second earth, it fell from the sky like a thunderbolt.

Words meanings summery:

• देहः (dehaḥ) - his body (body, corporeal frame)

• मेरुशताकारमहाशवः (meruśatākāramahāśavaḥ) - a colossal corpse, resembling a hundred Mount Merus in size (a great corpse with the form/size of a hundred Meru mountains)

• इव (iva) - like (like, as if, as it were)

• अभवत् (abhavat) - became (he/she/it became, was, happened)

• द्वितीयोर्वीनिभः (dvitīyorvīnibhaḥ) - resembling a second earth

• व्योम्नः (vyomnaḥ) - from the sky (from the sky, of the sky)

• पपात (papāta) - it fell (he/she/it fell, dropped, descended)

• अशनिवज्रवत् (aśanivajravat) - like a thunderbolt (like a thunderbolt, like lightning)

Words meanings and morphology

देहः (dehaḥ) - his body (body, corporeal frame)

(noun)

Nominative, masculine, singular of deha

deha - body, corporeal frame, form

मेरुशताकारमहाशवः (meruśatākāramahāśavaḥ) - a colossal corpse, resembling a hundred Mount Merus in size (a great corpse with the form/size of a hundred Meru mountains)

(noun)

Nominative, masculine, singular of meruśatākāramahāśava

meruśatākāramahāśava - great corpse having the form of a hundred Merus

Compound type : bahuvrihi (meru+śata+ākāra+mahā+śava)

• meru – Mount Meru (mythical golden mountain, center of the universe)
  proper noun (masculine)
• śata – hundred
  numeral (neuter)
• ākāra – form, shape, appearance, size
  noun (masculine)
  From ā-√kṛ (to do, make, shape)
  Prefix: ā
  Root: kṛ (class 8)
• mahā – great, large, mighty
  adjective (masculine)
  Prefix form of mahat
• śava – corpse, dead body
  noun (masculine)

इव (iva) - like (like, as if, as it were)

(indeclinable)

अभवत् (abhavat) - became (he/she/it became, was, happened)

(verb)

3rd person , singular, active, imperfect indicative (laṅ) of bhū

Imperfect Active Indicative

Root bhū, imperfect tense, 3rd person singular

Root: bhū (class 1)

द्वितीयोर्वीनिभः (dvitīyorvīnibhaḥ) - resembling a second earth

(adjective)

Nominative, masculine, singular of dvitīyorvīnibha

dvitīyorvīnibha - resembling a second earth

Compound type : tatpurusha (dvitīya+urvī+nibha)

• dvitīya – second
  adjective (masculine)
  Ordinal numeral from dvi (two)
• urvī – earth, ground
  noun (feminine)
• nibha – like, resembling, similar to
  adjective (masculine)

Note: Agrees with dehaḥ.

व्योम्नः (vyomnaḥ) - from the sky (from the sky, of the sky)

(noun)

Ablative, neuter, singular of vyoman

vyoman - sky, atmosphere, space

पपात (papāta) - it fell (he/she/it fell, dropped, descended)

(verb)

3rd person , singular, active, perfect indicative (liṭ) of pat

Perfect Active Indicative

Root pat, perfect tense, 3rd person singular

Root: pat (class 1)

अशनिवज्रवत् (aśanivajravat) - like a thunderbolt (like a thunderbolt, like lightning)

(indeclinable)

Compound type : tatpurusha (aśani+vajra+vat)

• aśani – thunderbolt, lightning
  noun (masculine)
• vajra – thunderbolt, diamond
  noun (neuter)
• vat – like, similar to (suffix forming adverbs)
  suffix