योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-39, verse-27

अतिप्रयत्नापहृतम्रियमाणनरामिषम् ।
स्वभक्ष्यापेक्षपक्षेषु विक्षिप्तशवराशिवत् ॥ २७ ॥

atiprayatnāpahṛtamriyamāṇanarāmiṣam ,
svabhakṣyāpekṣapakṣeṣu vikṣiptaśavarāśivat 27

27. atiprayatnāpahṛtamriyamāṇanarāmiṣam
svabhakṣyāpekṣapakṣeṣu vikṣiptaśavarāśivat

27. atiprayatnāpahṛtamriyamāṇanarāmiṣam
svabhakṣyāpekṣapakṣeṣu vikṣiptaśavarāśivat

27. It was like heaps of scattered corpses (śava), fought over by various factions (pakṣa) craving their own prey—flesh (āmiṣa) torn from dying men with immense effort.

Words meanings summery:

• अतिप्रयत्नापहृतम्रियमाणनरामिषम् (atiprayatnāpahṛtamriyamāṇanarāmiṣam) - the flesh of dying men, snatched with great effort

• स्वभक्ष्यापेक्षपक्षेषु (svabhakṣyāpekṣapakṣeṣu) - among factions desiring their own prey

• विक्षिप्तशवराशिवत् (vikṣiptaśavarāśivat) - like heaps of scattered corpses

Words meanings and morphology

अतिप्रयत्नापहृतम्रियमाणनरामिषम् (atiprayatnāpahṛtamriyamāṇanarāmiṣam) - the flesh of dying men, snatched with great effort

(noun)

Accusative, neuter, singular of atiprayatnāpahṛtamriyamāṇanarāmiṣa

atiprayatnāpahṛtamriyamāṇanarāmiṣa - flesh of dying men snatched with great effort

Compound type : tatpurusha (atiprayatna+apahṛta+mriyamāṇa+nara+āmiṣa)

• atiprayatna – great effort, excessive effort
  noun (masculine)
  ati (prefix) + prayatna (noun from yat with pra)
  Prefix: pra
  Root: yat (class 1)
• apahṛta – taken away, snatched, carried off
  adjective
  Past Passive Participle
  From hṛ with apa, past participle suffix kta.
  Prefix: apa
  Root: hṛ (class 1)
• mriyamāṇa – dying, being killed
  adjective
  Present Middle Participle
  From root mṛ (to die), used in passive/middle sense, suffix śānac.
  Root: mṛ (class 6)
• nara – man, human
  noun (masculine)
• āmiṣa – flesh, prey, food
  noun (neuter)

Note: Qualifies an implied object as the flesh, describing its origin and circumstances.

स्वभक्ष्यापेक्षपक्षेषु (svabhakṣyāpekṣapakṣeṣu) - among factions desiring their own prey

(noun)

Locative, masculine, plural of svabhakṣyāpekṣapakṣa

svabhakṣyāpekṣapakṣa - faction desiring its own prey

Compound type : tatpurusha (sva+bhakṣya+apekṣa+pakṣa)

• sva – own, one's own
  pronoun
• bhakṣya – food, prey, what is to be eaten
  noun (neuter)
  Gerundive (Potential Passive Participle)
  From bhakṣ (to eat) with suffix ṇya.
  Root: bhakṣ (class 1)
• apekṣa – desiring, awaiting, looking for
  adjective (masculine)
  From ap-īkṣ (to look for, expect).
  Prefix: apa
  Root: īkṣ (class 1)
• pakṣa – side, faction, party, wing (of a bird)
  noun (masculine)

Note: Refers to the context of the situation where the scattered corpses are found.

विक्षिप्तशवराशिवत् (vikṣiptaśavarāśivat) - like heaps of scattered corpses

(indeclinable)

Compound vikṣiptaśavarāśi with the suffix vat (denoting similarity).

Compound type : tatpurusha (vikṣipta+śava+rāśi)

• vikṣipta – scattered, thrown about, dispersed
  adjective
  Past Passive Participle
  From kṣip (to throw) with vi, suffix kta.
  Prefix: vi
  Root: kṣip (class 6)
• śava – corpse, dead body
  noun (masculine)
• rāśi – heap, pile, mass, collection
  noun (masculine)

Note: The vat suffix makes the whole expression an adverb of comparison.