योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-158, verse-18

मेदिनी मेदिनी जाता शवस्यैतस्य मेदसा ।
पूरिताऽपूर्वरूपेण हिमवद्गिरिरूपिणा ॥ १८ ॥

medinī medinī jātā śavasyaitasya medasā ,
pūritā'pūrvarūpeṇa himavadgirirūpiṇā 18

18. medinī medinī jātā śavasya etasya medasā
| pūritā apūrvarūpeṇa himavadgirirūpiṇā ||

18. etasya śavasya medasā medinī medinī jātā
apūrvarūpeṇa himavadgirirūpiṇā pūritā

18. This earth (medinī) became (fatty land) due to the fat of this corpse. It was filled with an unprecedented form, taking the shape of the Himalayan mountains.

Words meanings summery:

• मेदिनी (medinī) - the earth (as a planet/landmass) (earth, ground, land)

• मेदिनी (medinī) - fatty land, land covered with fat (earth, ground, land; rich in fat)

• जाता (jātā) - became, originated (born, produced, created, become, appeared)

• शवस्य (śavasya) - of the (specific) corpse (of the corpse, of the dead body)

• एतस्य (etasya) - of this (specific) (of this, of this one)

• मेदसा (medasā) - by the fat (of the corpse) (by the fat, with the marrow)

• पूरिता (pūritā) - was filled (referring to the earth) (filled, full, completed)

• अपूर्वरूपेण (apūrvarūpeṇa) - with an unprecedented form (in an unprecedented form, with a unique appearance)

• हिमवद्गिरिरूपिणा (himavadgirirūpiṇā) - taking the shape of the Himalayan mountains (with the form of the Himalayan mountains, resembling the Himalayas)

Words meanings and morphology

मेदिनी (medinī) - the earth (as a planet/landmass) (earth, ground, land)

(noun)

Nominative, feminine, singular of medinī

medinī - earth, ground, land; rich in fat (from medas)

Derived from medas (fat, marrow)

मेदिनी (medinī) - fatty land, land covered with fat (earth, ground, land; rich in fat)

(noun)

Nominative, feminine, singular of medinī

medinī - earth, ground, land; rich in fat (from medas)

Derived from medas (fat, marrow)

जाता (jātā) - became, originated (born, produced, created, become, appeared)

(adjective)

Nominative, feminine, singular of jāta

jāta - born, produced, created, happened, become

Past Passive Participle

From root jan (to be born, produced)

Root: jan (class 4)

शवस्य (śavasya) - of the (specific) corpse (of the corpse, of the dead body)

(noun)

Genitive, masculine, singular of śava

śava - corpse, dead body

Root: śū

एतस्य (etasya) - of this (specific) (of this, of this one)

(pronoun)

Genitive, masculine, singular of etad

etad - this, this one

Demonstrative pronoun.

मेदसा (medasā) - by the fat (of the corpse) (by the fat, with the marrow)

(noun)

Instrumental, neuter, singular of medas

medas - fat, marrow, lipid

पूरिता (pūritā) - was filled (referring to the earth) (filled, full, completed)

(adjective)

Nominative, feminine, singular of pūrita

pūrita - filled, full, completed

Past Passive Participle

From root pṛ (to fill)

Root: pṛ (class 9)

अपूर्वरूपेण (apūrvarūpeṇa) - with an unprecedented form (in an unprecedented form, with a unique appearance)

(noun)

Instrumental, neuter, singular of apūrvarūpa

apūrvarūpa - unprecedented form, unique appearance

Compound

Compound type : Tatpurusha (a+pūrva+rūpa)

• a – not, un-
  indeclinable
  Negative prefix
• pūrva – previous, former, prior
  adjective
• rūpa – form, shape, appearance
  noun (neuter)

हिमवद्गिरिरूपिणा (himavadgirirūpiṇā) - taking the shape of the Himalayan mountains (with the form of the Himalayan mountains, resembling the Himalayas)

(adjective)

Instrumental, neuter, singular of himavadgirirūpin

himavadgirirūpin - having the form of the Himalayan mountains

Compound adjective (Bahuvrīhi compound describing something as 'having' the form of the Himalayas)

Compound type : Bahuvrīhi (himavat+giri+rūpin)

• himavat – snowy; Himalaya (as a noun)
  adjective
• giri – mountain, hill
  noun (masculine)
• rūpin – having the form of, characterized by the shape of
  adjective
  suffix -in

Note: This adjective is in instrumental case, agreeing with apūrvarūpeṇa.