योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-168, verse-33

अयं चिरस्थसंकल्पः सर्गप्रलयविभ्रमः ।
ज्ञानं स्वभावकचनमज्ञानं भ्रान्तिजृम्भणम् ॥ ३३ ॥

ayaṃ cirasthasaṃkalpaḥ sargapralayavibhramaḥ ,
jñānaṃ svabhāvakacanamajñānaṃ bhrāntijṛmbhaṇam 33

33. ayam cirasthasaṃkalpaḥ sargapralayavibhramaḥ
jñānam svabhāvakacanam ajñānam bhrāntijṛmbhaṇam

33. ayam cirasthasaṃkalpaḥ sargapralayavibhramaḥ.
jñānam svabhāvakacanam,
ajñānam bhrāntijṛmbhaṇam

33. This [cosmic illusion] is a long-standing resolve (saṃkalpa), a delusion (vibhrama) of creation and dissolution. True knowledge (jñāna) is the manifestation of one's intrinsic nature (svabhāva), while ignorance (ajñāna) is the proliferation of illusion (bhrānti).

Words meanings summery:

• अयम् (ayam) - refers to the ongoing cosmic illusion/world-process (this, here)

• चिरस्थसंकल्पः (cirasthasaṁkalpaḥ) - describes the cosmic projection as a persistent, deeply ingrained intention (having a long-standing resolve/conception)

• सर्गप्रलयविभ्रमः (sargapralayavibhramaḥ) - the cyclical processes of the world are fundamentally an illusion (māyā) (the illusion of creation and dissolution, the delusion of cosmic cycles)

• ज्ञानम् (jñānam) - spiritual or ultimate knowledge (jñāna) (knowledge, wisdom, understanding)

• स्वभावकचनम् (svabhāvakacanam) - the inherent intrinsic nature (svabhāva) revealing itself (the shining forth of one's own nature, self-manifestation)

• अज्ञानम् (ajñānam) - spiritual ignorance (ajñāna), fundamental lack of understanding (ignorance, lack of knowledge)

• भ्रान्तिजृम्भणम् (bhrāntijṛmbhaṇam) - the way illusion (māyā) spreads and intensifies (the expansion of illusion, the blooming of delusion)

Words meanings and morphology

अयम् (ayam) - refers to the ongoing cosmic illusion/world-process (this, here)

(pronoun)

Nominative, masculine, singular of idam

idam - this, here

demonstrative pronoun

चिरस्थसंकल्पः (cirasthasaṁkalpaḥ) - describes the cosmic projection as a persistent, deeply ingrained intention (having a long-standing resolve/conception)

(adjective)

Nominative, masculine, singular of cirasthasaṃkalpa

cirasthasaṁkalpa - having a long-standing resolve or conception

Bahuvrīhi compound: cira (long) + stha (standing) + saṃkalpa (resolve)

Compound type : bahuvrīhi (cira+stha+saṃkalpa)

• cira – long (time), lasting
  indeclinable
• stha – standing, existing, abiding
  adjective (masculine)
  from root sthā (to stand)
  Root: sthā (class 1)
• saṃkalpa – resolve, intention, conceptualization, determination
  noun (masculine)
  from root kḷp (to be able, to form) with prefix sam
  Prefix: sam
  Root: kḷp (class 10)

सर्गप्रलयविभ्रमः (sargapralayavibhramaḥ) - the cyclical processes of the world are fundamentally an illusion (māyā) (the illusion of creation and dissolution, the delusion of cosmic cycles)

(noun)

Nominative, masculine, singular of sargapralayavibhrama

sargapralayavibhrama - the illusion of creation and dissolution

Tatpurusha compound: sarga (creation) + pralaya (dissolution) + vibhrama (illusion)

Compound type : tatpurusha (sarga+pralaya+vibhrama)

• sarga – creation, emanation
  noun (masculine)
  from root sṛj (to create)
  Root: sṛj (class 6)
• pralaya – dissolution, destruction, absorption
  noun (masculine)
  from root lī (to dissolve) with prefix pra
  Prefix: pra
  Root: lī (class 4)
• vibhrama – illusion (māyā), delusion, error, confusion
  noun (masculine)
  from root bhram (to wander) with prefix vi
  Prefix: vi
  Root: bhram (class 1)

ज्ञानम् (jñānam) - spiritual or ultimate knowledge (jñāna) (knowledge, wisdom, understanding)

(noun)

Nominative, neuter, singular of jñāna

jñāna - knowledge, wisdom, understanding

from root jñā (to know)

Root: jñā (class 9)

Note: Subject of the second sentence part.

स्वभावकचनम् (svabhāvakacanam) - the inherent intrinsic nature (svabhāva) revealing itself (the shining forth of one's own nature, self-manifestation)

(noun)

Nominative, neuter, singular of svabhāvakacana

svabhāvakacana - manifestation of one's own nature

Tatpurusha compound: sva (own) + bhāva (nature) + kacana (shining, appearance)

Compound type : tatpurusha (sva+bhāva+kacana)

• sva – own, one's own
  adjective (neuter)
• bhāva – being, state, nature, intrinsic nature (dharma)
  noun (masculine)
  from root bhū (to be)
  Root: bhū (class 1)
• kacana – shining, appearing, manifestation
  noun (neuter)
  from root kac (to shine, appear)
  Root: kac (class 1)

अज्ञानम् (ajñānam) - spiritual ignorance (ajñāna), fundamental lack of understanding (ignorance, lack of knowledge)

(noun)

Nominative, neuter, singular of ajñāna

ajñāna - ignorance, lack of knowledge

Nañ-tatpurusha compound of a (not) and jñāna (knowledge)

Compound type : nañ-tatpurusha (a+jñāna)

• a – not, un-
  indeclinable
  negative prefix
• jñāna – knowledge, wisdom
  noun (neuter)
  from root jñā
  Root: jñā (class 9)

भ्रान्तिजृम्भणम् (bhrāntijṛmbhaṇam) - the way illusion (māyā) spreads and intensifies (the expansion of illusion, the blooming of delusion)

(noun)

Nominative, neuter, singular of bhrāntijṛmbhaṇa

bhrāntijṛmbhaṇa - the expansion/blooming of illusion

Tatpurusha compound: bhrānti (illusion) + jṛmbhaṇa (yawning, blooming, expansion)

Compound type : tatpurusha (bhrānti+jṛmbhaṇa)

• bhrānti – error, delusion, illusion (māyā)
  noun (feminine)
  from root bhram (to wander)
  Root: bhram (class 1)
• jṛmbhaṇa – yawning, opening, expanding, blooming
  noun (neuter)
  from root jṛmbh (to yawn, to open)
  Root: jṛmbh (class 1)