योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-49, verse-33

रक्तमांसमहापङ्केष्वन्योन्यं वेल्लनाभ्यसत् ।
मन्दरोद्धूतदुग्धाब्धिलसत्कलकलाकुलम् ॥ ३३ ॥

raktamāṃsamahāpaṅkeṣvanyonyaṃ vellanābhyasat ,
mandaroddhūtadugdhābdhilasatkalakalākulam 33

33. raktamāṃsamahāpaṅkeṣu anyonyam vellanābhyasat
mandaroddhūtadugdhābdhilasatkalakalākulam

33. raktamāṃsamahāpaṅkeṣu anyonyam vellanābhyasat
mandaroddhūtadugdhābdhilasatkalakalākulam

33. Writhing against each other in the great mire of blood and flesh, creating a confused din similar to the tumultuous gleam of the milk ocean churned by Mount Mandara.

Words meanings summery:

• रक्तमांसमहापङ्केषु (raktamāṁsamahāpaṅkeṣu) - in the great mire of blood and flesh

• अन्योन्यम् (anyonyam) - mutually, one another

• वेल्लनाभ्यसत् (vellanābhyasat) - practicing rolling/writhing, engaging in mutual writhing

• मन्दरोद्धूतदुग्धाब्धिलसत्कलकलाकुलम् (mandaroddhūtadugdhābdhilasatkalakalākulam) - agitated with the gleaming uproar like the ocean of milk churned by Mandara

Words meanings and morphology

रक्तमांसमहापङ्केषु (raktamāṁsamahāpaṅkeṣu) - in the great mire of blood and flesh

(noun)

Locative, masculine, plural of raktamāṃsamahāpaṅka

raktamāṁsamahāpaṅka - great mire of blood and flesh

Compound noun

Compound type : tatpurusha (rakta+māṃsa+mahāpaṅka)

• rakta – blood
  noun (neuter)
• māṃsa – flesh, meat
  noun (neuter)
• mahāpaṅka – great mire/mud
  noun (masculine)

Note: 'raktamāṃsa' acts as an adjective or component describing 'mahāpaṅka'.

अन्योन्यम् (anyonyam) - mutually, one another

(indeclinable)

Note: Adverbial usage.

वेल्लनाभ्यसत् (vellanābhyasat) - practicing rolling/writhing, engaging in mutual writhing

(adjective)

neuter, singular of vellanābhyasat

vellanābhyasat - (a being/scene) engaging in writhing

Compound adjective/participle

Compound type : tatpurusha (vellana+abhyasat)

• vellana – rolling, writhing
  noun (neuter)
  From √vel (to tremble, shake)
  Root: vel (class 1)
• abhyasat – practicing, engaging in
  adjective (masculine)
  Present Active Participle
  From abhi-√as (to throw, to practice)
  Prefix: abhi
  Root: as (class 4)

Note: Refers to the scene or collective entity.

मन्दरोद्धूतदुग्धाब्धिलसत्कलकलाकुलम् (mandaroddhūtadugdhābdhilasatkalakalākulam) - agitated with the gleaming uproar like the ocean of milk churned by Mandara

(adjective)

neuter, singular of mandaroddhūtadugdhābdhilasatkalakalākula

mandaroddhūtadugdhābdhilasatkalakalākula - agitated by the tumultuous gleam of the milk ocean churned by Mandara

Very long compound adjective, simile

Compound type : bahuvrihi (mandara+uddhūta+dugdhābdhi+lasat+kalakala+ākula)

• mandara – Mount Mandara
  proper noun (masculine)
• uddhūta – churned, shaken up
  adjective (masculine)
  Past Passive Participle
  From ud-√dhū (to shake, churn)
  Prefix: ud
  Root: dhū (class 5)
• dugdhābdhi – ocean of milk
  noun (masculine)
• lasat – gleaming, shining
  adjective (masculine)
  Present Active Participle
  From √las (to shine, gleam)
  Root: las (class 1)
• kalakala – confused noise, uproar, tumult
  noun (masculine)
• ākula – agitated, confused, filled with
  adjective (masculine)