योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-115, verse-44

स्पृष्टप्रदोषमयमन्दरमथ्यमानचन्द्रार्णवोल्लसितदुग्धतरङ्गभङ्गैः ।
पश्य प्रभापटलकैः परिपूरिताङ्गीः पूरैरिवोग्रसरितः प्रसरद्भिराशाः ॥ ४४ ॥

spṛṣṭapradoṣamayamandaramathyamānacandrārṇavollasitadugdhataraṅgabhaṅgaiḥ ,
paśya prabhāpaṭalakaiḥ paripūritāṅgīḥ pūrairivograsaritaḥ prasaradbhirāśāḥ 44

44. spṛṣṭapradoṣamayamandaramathyamānacandrārṇavollasitadugdhataraṅgabhaṅgaiḥ
paśya prabhāpaṭalakaiḥ paripūritāṅgīḥ
pūraiḥ iva ugrasaritaḥ prasaradbhiḥ āśāḥ

44. āśāḥ paripūritāṅgīḥ prabhāpaṭalakaiḥ
ugrasaritaḥ prasaradbhiḥ pūraiḥ iva
spṛṣṭapradoṣamayamandaramathyamānacandrārṇavollasitadugdhataraṅgabhaṅgaiḥ
paśya

44. Behold the directions, their forms completely filled by blankets of radiant light. This light is like the spreading floods of fierce rivers, and it resembles the breaking waves of milk that surged forth from the moon-ocean (the ocean of milk) as it was churned by Mount Mandara, touched by the luminous twilight.

Words meanings summery:

• स्पृष्टप्रदोषमयमन्दरमथ्यमानचन्द्रार्णवोल्लसितदुग्धतरङ्गभङ्गैः (spṛṣṭapradoṣamayamandaramathyamānacandrārṇavollasitadugdhataraṅgabhaṅgaiḥ) - by the breaking waves of milk that surged forth from the moon-ocean churned by Mandara, imbued with the light of twilight

• पश्य (paśya) - behold, look, see

• प्रभापटलकैः (prabhāpaṭalakaiḥ) - by blankets of light, by masses of splendor

• परिपूरिताङ्गीः (paripūritāṅgīḥ) - whose forms are completely filled, pervaded

• पूरैः (pūraiḥ) - by floods, by torrents

• इव (iva) - like, as if, similar to

• उग्रसरितः (ugrasaritaḥ) - of fierce rivers

• प्रसरद्भिः (prasaradbhiḥ) - by spreading, by flowing forth

• आशाः (āśāḥ) - the cardinal directions or quarters of the sky (directions, quarters, hopes)

Words meanings and morphology

स्पृष्टप्रदोषमयमन्दरमथ्यमानचन्द्रार्णवोल्लसितदुग्धतरङ्गभङ्गैः (spṛṣṭapradoṣamayamandaramathyamānacandrārṇavollasitadugdhataraṅgabhaṅgaiḥ) - by the breaking waves of milk that surged forth from the moon-ocean churned by Mandara, imbued with the light of twilight

(noun)

Instrumental, masculine, plural of spṛṣṭapradoṣamayamandaramathyamānacandrārṇavollasitadugdhataraṅgabhaṅga

spṛṣṭapradoṣamayamandaramathyamānacandrārṇavollasitadugdhataraṅgabhaṅga - breaking waves of milk surged from the moon-ocean churned by Mandara and touched by twilight

Compound type : Bahuvrihi/Tatpuruṣa series (spṛṣṭa+pradoṣamaya+mandara+mathyamāna+candra+arṇava+ullasita+dugdha+taraṅga+bhaṅga)

• spṛṣṭa – touched, affected
  adjective (masculine)
  Past Passive Participle
  Derived from root spṛś (to touch).
  Root: spṛś (class 6)
• pradoṣamaya – full of twilight/nightfall/moonlight
  adjective (masculine)
  From pradoṣa (twilight, nightfall) + -maya (full of).
• mandara – Mount Mandara (used for churning the ocean)
  proper noun (masculine)
• mathyamāna – being churned
  adjective (masculine)
  Present Passive Participle
  Derived from root manth (to churn).
  Root: manth (class 1)
• candra – moon
  noun (masculine)
• arṇava – ocean
  noun (masculine)
• ullasita – surged forth, arisen, joyful
  adjective (masculine)
  Past Passive Participle
  Derived from root las (to shine, play) with upasarga ud-.
  Prefix: ud
  Root: las (class 1)
• dugdha – milk
  noun (neuter)
• taraṅga – wave
  noun (masculine)
• bhaṅga – breaking, wave, fracture
  noun (masculine)
  From root bhañj (to break).
  Root: bhañj (class 7)

पश्य (paśya) - behold, look, see

(verb)

2nd person , singular, active, imperative (loṭ) of dṛś

Imperative

root `dṛś`, class 1, 2nd person singular, active voice, imperative mood. Conjugates as paśyati in present.

Root: dṛś (class 1)

प्रभापटलकैः (prabhāpaṭalakaiḥ) - by blankets of light, by masses of splendor

(noun)

Instrumental, masculine, plural of prabhāpaṭala

prabhāpaṭala - mass of light, blanket of splendor

Compound type : Tatpuruṣa (prabhā+paṭala)

• prabhā – light, splendor, radiance
  noun (feminine)
  Prefix: pra
  Root: bhā (class 2)
• paṭala – blanket, covering, mass, layer
  noun (neuter)

परिपूरिताङ्गीः (paripūritāṅgīḥ) - whose forms are completely filled, pervaded

(adjective)

Accusative, feminine, plural of paripūritāṅga

paripūritāṅga - having its body/form completely filled

Compound type : Bahuvrihi (paripūrita+aṅga)

• paripūrita – completely filled, pervaded
  adjective (masculine)
  Past Passive Participle
  Derived from root pṛ (to fill) with upasargas pari-.
  Prefix: pari
  Root: pṛ (class 3)
• aṅga – limb, body, form
  noun (neuter)

Note: Agrees with āśāḥ (directions).

पूरैः (pūraiḥ) - by floods, by torrents

(noun)

Instrumental, masculine, plural of pūra

pūra - flood, torrent, abundance

From root pṛ (to fill).

Root: pṛ (class 3)

इव (iva) - like, as if, similar to

(indeclinable)

उग्रसरितः (ugrasaritaḥ) - of fierce rivers

(noun)

Genitive, feminine, plural of ugrasarit

ugrasarit - fierce river, strong river

Compound type : Karmadhāraya (ugra+sarit)

• ugra – fierce, terrible, mighty
  adjective (masculine)
• sarit – river
  noun (feminine)
  From root sṛ (to flow).
  Root: sṛ (class 1)

Note: Also could be ablative singular. Genitive plural 'of rivers' makes sense with 'floods'.

प्रसरद्भिः (prasaradbhiḥ) - by spreading, by flowing forth

(adjective)

Instrumental, masculine, plural of prasarad

prasarad - spreading, flowing forth

Present Active Participle

Derived from root sṛ (to flow) with upasarga pra-.

Prefix: pra

Root: sṛ (class 1)

Note: Agrees with pūraiḥ (floods).

आशाः (āśāḥ) - the cardinal directions or quarters of the sky (directions, quarters, hopes)

(noun)

Accusative, feminine, plural of āśā

āśā - direction, quarter, hope, desire

Note: Object of 'paśya'.