महाभारतः mahābhārataḥ - book-6, chapter-53, verse-21

नराश्वकायैः पतितैर्दन्तिभिश्च महाहवे ।
अगम्यरूपा पृथिवी मांसशोणितकर्दमा ॥२१॥

21. narāśvakāyaiḥ patitairdantibhiśca mahāhave ,
agamyarūpā pṛthivī māṁsaśoṇitakardamā.

21. narāśvakāyaiḥ patitaiḥ dantibhiḥ ca mahāhave
agamyarūpā pṛthivī māṃsaśoṇitakardamā

21. mahāhave pṛthivī narāśvakāyaiḥ patitaiḥ
dantibhiḥ ca agamyarūpā māṃsaśoṇitakardamā

21. In the great battle (mahāhava), the earth (pṛthivī), covered with the fallen bodies of men, horses, and elephants, became impassable (agamyarūpā), with mud made of flesh and blood.

Words meanings summery:

• नराश्वकायैः (narāśvakāyaiḥ) - by the bodies of men and horses

• पतितैः (patitaiḥ) - by the fallen bodies and elephants (by the fallen ones, by those who have fallen)

• दन्तिभिः (dantibhiḥ) - by elephants (those with tusks)

• च (ca) - and

• महाहवे (mahāhave) - in the great battle, in the great war

• अगम्यरूपा (agamyarūpā) - having an impassable appearance, of dreadful aspect, difficult to traverse

• पृथिवी (pṛthivī) - the earth, land

• मांसशोणितकर्दमा (māṁsaśoṇitakardamā) - having mud of flesh and blood

Words meanings and morphology

नराश्वकायैः (narāśvakāyaiḥ) - by the bodies of men and horses

(noun)

Instrumental, masculine, plural of narāśvakāya

narāśvakāya - bodies of men and horses

Compound type : dvandva-tatpuruṣa (nara+aśva+kāya)

• nara – man, human being
  noun (masculine)
• aśva – horse
  noun (masculine)
• kāya – body, collection, heap
  noun (masculine)

पतितैः (patitaiḥ) - by the fallen bodies and elephants (by the fallen ones, by those who have fallen)

(adjective)

Instrumental, masculine, plural of patita

patita - fallen, dropped, degraded

Past Passive Participle

Derived from root pat- 'to fall'

Root: pat (class 1)

Note: Participial adjective, used substantively.

दन्तिभिः (dantibhiḥ) - by elephants (those with tusks)

(noun)

Instrumental, masculine, plural of dantin

dantin - elephant (one having tusks)

Derived from danta (tusk) + -in (possessive suffix)

च (ca) - and

(indeclinable)

महाहवे (mahāhave) - in the great battle, in the great war

(noun)

Locative, masculine, singular of mahāhava

mahāhava - great battle, great war

Compound type : karma-dhāraya (mahā+hava)

• mahā – great, mighty, large
  adjective
• hava – battle, war, sacrifice
  noun (masculine)

अगम्यरूपा (agamyarūpā) - having an impassable appearance, of dreadful aspect, difficult to traverse

(adjective)

Nominative, feminine, singular of agamyarūpa

agamyarūpa - having an impassable or dreadful appearance, difficult to traverse

Compound type : bahuvrīhi (a+gamya+rūpa)

• a – not, un-
  indeclinable
• gamya – passable, approachable, comprehensible
  adjective
  Gerundive
  Derived from root gam- 'to go'
  Root: gam (class 1)
• rūpa – form, appearance, aspect, beauty
  noun (neuter)

पृथिवी (pṛthivī) - the earth, land

(noun)

Nominative, feminine, singular of pṛthivī

pṛthivī - earth, world, land

मांसशोणितकर्दमा (māṁsaśoṇitakardamā) - having mud of flesh and blood

(adjective)

Nominative, feminine, singular of māṃsaśoṇitakardama

māṁsaśoṇitakardama - having mud consisting of flesh and blood

Compound type : bahuvrīhi (māṃsa+śoṇita+kardama)

• māṃsa – flesh, meat
  noun (neuter)
• śoṇita – blood, red
  noun (neuter)
• kardama – mud, mire, dirt
  noun (masculine)