योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-122, verse-31

शिवाद्राघव नीरूपादप्रमेयान्निरामयात् ।
सर्वभूतानि जातानि प्रकाशा इव तेजसः ॥ ३१ ॥

śivādrāghava nīrūpādaprameyānnirāmayāt ,
sarvabhūtāni jātāni prakāśā iva tejasaḥ 31

31. śivāt rāghava nirūpāt aprameyāt nirāmayāt
sarva-bhūtāni jātāni prakāśāḥ iva tejasaḥ

31. rāghava śivāt nirūpāt aprameyāt nirāmayāt
sarva-bhūtāni tejasaḥ prakāśāḥ iva jātāni

31. O Rāghava, from that auspicious, formless, immeasurable, and flawless (being), all creatures originate, just as rays of light emanate from a source of splendor.

Words meanings summery:

• शिवात् (śivāt) - from the auspicious, benevolent supreme reality (from the auspicious one, from the benevolent, from Shiva)

• राघव (rāghava) - O descendant of Raghu, O Rāma

• निरूपात् (nirūpāt) - from the formless, from the shapeless

• अप्रमेयात् (aprameyāt) - from the immeasurable, from the incomprehensible

• निरामयात् (nirāmayāt) - from the flawless, from the diseaseless, from the healthy

• सर्व-भूतानि (sarva-bhūtāni) - all beings, all creatures

• जातानि (jātāni) - are born, have originated, have come into being

• प्रकाशाः (prakāśāḥ) - rays of light, radiance (lights, rays, splendors, manifestations)

• इव (iva) - like, as, just as, as if

• तेजसः (tejasaḥ) - from a source of splendor or light (from splendor, from light, from energy, of splendor)

Words meanings and morphology

शिवात् (śivāt) - from the auspicious, benevolent supreme reality (from the auspicious one, from the benevolent, from Shiva)

(adjective)

Ablative, masculine, singular of śiva

śiva - auspicious, benign, gracious; Shiva (name of a deity)

राघव (rāghava) - O descendant of Raghu, O Rāma

(proper noun)

Vocative, masculine, singular of rāghava

rāghava - descendant of Raghu, an epithet for Rāma

निरूपात् (nirūpāt) - from the formless, from the shapeless

(adjective)

Ablative, masculine, singular of nirūpa

nirūpa - formless, shapeless, without attributes

Compound type : bahuvrīhi (nis+rūpa)

• nis – without, out, away
  indeclinable
• rūpa – form, shape, appearance, nature
  noun (neuter)

अप्रमेयात् (aprameyāt) - from the immeasurable, from the incomprehensible

(adjective)

Ablative, masculine, singular of aprameya

aprameya - immeasurable, incomprehensible, unquantifiable

Gerundive

Derived from root mā 'to measure' with prefix a- (negation) and suffix -eya (gerundive).

Compound type : nañ-tatpuruṣa (a+prameya)

• a – not, non-, un-
  indeclinable
• prameya – measurable, provable, an object of knowledge
  adjective (masculine)
  Gerundive
  Derived from pra-mā 'to measure, ascertain'.
  Prefix: pra
  Root: mā (class 2)

निरामयात् (nirāmayāt) - from the flawless, from the diseaseless, from the healthy

(adjective)

Ablative, masculine, singular of nirāmaya

nirāmaya - free from illness, healthy, flawless

Compound type : bahuvrīhi (nis+āmaya)

• nis – without, out, away
  indeclinable
• āmaya – illness, disease, infirmity
  noun (masculine)

सर्व-भूतानि (sarva-bhūtāni) - all beings, all creatures

(noun)

Nominative, neuter, plural of sarva-bhūta

sarva-bhūta - all beings, all creatures, all existent things

Compound type : karmadhāraya (sarva+bhūta)

• sarva – all, every, whole
  adjective
• bhūta – being, creature, element; past, happened (PPP)
  noun (neuter)
  Past Passive Participle
  Derived from root bhū- 'to be, become'.
  Root: bhū (class 1)

जातानि (jātāni) - are born, have originated, have come into being

(adjective)

Nominative, neuter, plural of jāta

jāta - born, arisen, produced, become

Past Passive Participle

Derived from root jan- 'to be born, produce'.

Root: jan (class 4)

प्रकाशाः (prakāśāḥ) - rays of light, radiance (lights, rays, splendors, manifestations)

(noun)

Nominative, masculine, plural of prakāśa

prakāśa - light, brightness, radiance, manifestation

Root: kāś (class 1)

इव (iva) - like, as, just as, as if

(indeclinable)

तेजसः (tejasaḥ) - from a source of splendor or light (from splendor, from light, from energy, of splendor)

(noun)

Ablative, neuter, singular of tejas

tejas - splendor, light, radiance, energy, vigor

Note: Could also be genitive singular 'of splendor'.