योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-52, verse-4

स तत्प्रस्तारयामास पृष्ठे चारु मृगाजिनम् ।
नीलरत्नतटे मेरुस्तारासारमिवाम्बरम् ॥ ४ ॥

sa tatprastārayāmāsa pṛṣṭhe cāru mṛgājinam ,
nīlaratnataṭe merustārāsāramivāmbaram 4

4. saḥ tat prastārayāmāsa pṛṣṭhe cāru mṛgājinam
nīlaratnataṭe meruḥ tārāsāram iva ambaram

4. saḥ tat cāru mṛgājinam pṛṣṭhe prastārayāmāsa
nīlaratnataṭe meruḥ tārāsāram iva ambaram

4. He spread that beautiful deer hide on the ground, just as Mount Meru, with its blue-gemmed slopes, is covered by the sky displaying a shower of stars.

Words meanings summery:

• सः (saḥ) - he

• तत् (tat) - that, it

• प्रस्तारयामास (prastārayāmāsa) - he spread out, he laid out

• पृष्ठे (pṛṣṭhe) - on the back, on the surface, on the ground

• चारु (cāru) - beautiful, charming, lovely

• मृगाजिनम् (mṛgājinam) - deer skin, deerskin

• नीलरत्नतटे (nīlaratnataṭe) - on the blue-jewelled slope/bank

• मेरुः (meruḥ) - Mount Meru

• तारासारम् (tārāsāram) - a shower of stars, an abundance of stars

• इव (iva) - like, as if, similar to

• अम्बरम् (ambaram) - the sky, atmosphere, cloth

Words meanings and morphology

सः (saḥ) - he

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

तत् (tat) - that, it

(pronoun)

Accusative, neuter, singular of tad

tad - that, he, she, it

Note: Refers to the deer hide (mṛgājinam).

प्रस्तारयामास (prastārayāmāsa) - he spread out, he laid out

(verb)

3rd person , singular, active, perfect (lit) of stṛ

Causative verb (stārayā-)

Causative form with the perfect tense suffix.

Prefix: pra

Root: stṛ (class 5)

पृष्ठे (pṛṣṭhe) - on the back, on the surface, on the ground

(noun)

Locative, neuter, singular of pṛṣṭha

pṛṣṭha - back, surface, top, ground

चारु (cāru) - beautiful, charming, lovely

(adjective)

Accusative, neuter, singular of cāru

cāru - beautiful, charming, agreeable

Note: Agrees with 'mṛgājinam'.

मृगाजिनम् (mṛgājinam) - deer skin, deerskin

(noun)

Accusative, neuter, singular of mṛgājina

mṛgājina - deer skin

Compound type : ṣaṣṭhī-tatpuruṣa (mṛga+ajina)

• mṛga – deer, wild animal
  noun (masculine)
• ajina – skin, hide
  noun (neuter)

नीलरत्नतटे (nīlaratnataṭe) - on the blue-jewelled slope/bank

(noun)

Locative, masculine, singular of nīlaratnataṭa

nīlaratnataṭa - a slope/bank adorned with blue jewels

Compound type : karmadhāraya-tatpuruṣa (nīla+ratna+taṭa)

• nīla – blue, dark blue
  adjective (masculine)
• ratna – gem, jewel, precious stone
  noun (neuter)
• taṭa – slope, bank, shore, flank of a mountain
  noun (masculine)

मेरुः (meruḥ) - Mount Meru

(proper noun)

Nominative, masculine, singular of meru

meru - Mount Meru (the mythical golden mountain at the center of the universe)

तारासारम् (tārāsāram) - a shower of stars, an abundance of stars

(noun)

Accusative, neuter, singular of tārāsāra

tārāsāra - a shower of stars, abundance of stars

Compound type : ṣaṣṭhī-tatpuruṣa (tārā+sāra)

• tārā – star, pupil of the eye
  noun (feminine)
• sāra – essence, juice, strength, shower, abundance
  noun (masculine)

इव (iva) - like, as if, similar to

(indeclinable)

अम्बरम् (ambaram) - the sky, atmosphere, cloth

(noun)

Accusative, neuter, singular of ambara

ambara - sky, atmosphere, cloth, garment