महाभारतः mahābhārataḥ - book-3, chapter-169, verse-18

हतैर्निवातकवचैर्निरस्तैः पर्वतोपमैः ।
समाच्छाद्यत देशः स विकीर्णैरिव पर्वतैः ॥१८॥

18. hatairnivātakavacairnirastaiḥ parvatopamaiḥ ,
samācchādyata deśaḥ sa vikīrṇairiva parvataiḥ.

18. hataiḥ nivātakavacaiḥ nirastaiḥ parvatopamaiḥ
samācchādyata deśaḥ saḥ vikīrṇaiḥ iva parvataiḥ

18. That region became completely covered by the slain, fallen, mountain-like Nivātakavaca demons, as if by scattered mountains.

Words meanings summery:

• हतैः (hataiḥ) - by the slain (by the slain, killed ones)

• निवातकवचैः (nivātakavacaiḥ) - by the Nivātakavaca demons (by the Nivātakavacas (demons))

• निरस्तैः (nirastaiḥ) - by the fallen (by the thrown down, cast down, scattered)

• पर्वतोपमैः (parvatopamaiḥ) - by the mountain-like (by those resembling mountains, mountain-like)

• समाच्छाद्यत (samācchādyata) - was completely covered (it was covered completely)

• देशः (deśaḥ) - region (region, place, country)

• सः (saḥ) - that (that (masculine singular))

• विकीर्णैः (vikīrṇaiḥ) - by scattered (by the scattered, strewn, dispersed)

• इव (iva) - as if (like, as if, as)

• पर्वतैः (parvataiḥ) - by mountains

Words meanings and morphology

हतैः (hataiḥ) - by the slain (by the slain, killed ones)

(adjective)

Instrumental, masculine, plural of hata

hata - slain, killed, destroyed

Past Passive Participle

Past Passive Participle of root han.

Root: han (class 2)

Note: Instrumental plural of masculine adjective hata.

निवातकवचैः (nivātakavacaiḥ) - by the Nivātakavaca demons (by the Nivātakavacas (demons))

(proper noun)

Instrumental, masculine, plural of nivātakavaca

nivātakavaca - a class of powerful demons, literally 'having impenetrable armor'

Compound type : bahuvrihi (nivāta+kavaca)

• nivāta – windless, impenetrable, protected from wind
  adjective (masculine)
  Prefix: ni
• kavaca – armor, mail, coat of mail
  noun (neuter)

Note: Instrumental plural of masculine proper noun nivātakavaca.

निरस्तैः (nirastaiḥ) - by the fallen (by the thrown down, cast down, scattered)

(adjective)

Instrumental, masculine, plural of nirasta

nirasta - thrown down, cast off, expelled, scattered

Past Passive Participle

Past Passive Participle of root as- 'to throw' with upasarga nir.

Prefix: nir

Root: as (class 4)

Note: Instrumental plural of masculine adjective nirasta.

पर्वतोपमैः (parvatopamaiḥ) - by the mountain-like (by those resembling mountains, mountain-like)

(adjective)

Instrumental, masculine, plural of parvatopama

parvatopama - resembling a mountain, mountain-like

Compound type : upama-sāmānya-vacana (parvata+upama)

• parvata – mountain, rock
  noun (masculine)
• upama – likeness, comparison, resemblance, like
  noun (feminine)

Note: Instrumental plural of masculine adjective parvatopama.

समाच्छाद्यत (samācchādyata) - was completely covered (it was covered completely)

(verb)

3rd person , singular, passive, past imperfect (laṅ) of samācchād

Imperfect tense, third person singular, passive voice of root chad with upasargas sam and ā.

Prefixes: sam+ā

Root: chad (class 10)

Note: Imperfect tense, third person singular, passive voice of verb sam + ā + chad.

देशः (deśaḥ) - region (region, place, country)

(noun)

Nominative, masculine, singular of deśa

deśa - place, region, country, district

Note: Nominative singular of masculine noun deśa.

सः (saḥ) - that (that (masculine singular))

(pronoun)

Nominative, masculine, singular of tad

tad - that, those

Note: Nominative singular of masculine pronoun tad.

विकीर्णैः (vikīrṇaiḥ) - by scattered (by the scattered, strewn, dispersed)

(adjective)

Instrumental, masculine, plural of vikīrṇa

vikīrṇa - scattered, strewn, dispersed

Past Passive Participle

Past Passive Participle of root kṝ- 'to scatter' with upasarga vi.

Prefix: vi

Root: kṝ (class 6)

Note: Instrumental plural of masculine adjective vikīrṇa.

इव (iva) - as if (like, as if, as)

(indeclinable)

पर्वतैः (parvataiḥ) - by mountains

(noun)

Instrumental, masculine, plural of parvata

parvata - mountain, hill

Note: Instrumental plural of masculine noun parvata.