योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-60, verse-3

ज्ञानेनाकाशरूपेण दृश्यं ज्ञेयस्वरूपकम् ।
इत्येकीभूतमालोक्य ज्ञस्तिष्ठत्यम्बरोपमः ॥ ३ ॥

jñānenākāśarūpeṇa dṛśyaṃ jñeyasvarūpakam ,
ityekībhūtamālokya jñastiṣṭhatyambaropamaḥ 3

3. jñānena ākāśarūpeṇa dṛśyam jñeyasvarūpakam
iti ekībhūtam ālokya jñaḥ tiṣṭhati ambaropamaḥ

3. jñaḥ ākāśarūpeṇa jñānena jñeyasvarūpakam dṛśyam
ekībhūtam iti ālokya ambaropamaḥ tiṣṭhati

3. When the knower perceives that the perceptible world, intrinsically knowable, has become unified with knowledge—which is like space—then the knower himself remains like space.

Words meanings summery:

• ज्ञानेन (jñānena) - by knowledge

• आकाशरूपेण (ākāśarūpeṇa) - which is like space (in the form of space, having the nature of space)

• दृश्यम् (dṛśyam) - the perceptible world (the visible, the perceptible (world/object))

• ज्ञेयस्वरूपकम् (jñeyasvarūpakam) - intrinsically knowable (having the nature of the knowable, whose form is the knowable)

• इति (iti) - (indicating that) (thus, in this manner, so saying)

• एकीभूतम् (ekībhūtam) - become unified (become one, unified, made identical)

• आलोक्य (ālokya) - when perceiving (having seen, having perceived, after observing)

• ज्ञः (jñaḥ) - the knower himself (the knower, the wise person)

• तिष्ठति (tiṣṭhati) - remains (stands, remains, dwells, exists)

• अम्बरोपमः (ambaropamaḥ) - like space (like space, comparable to space)

Words meanings and morphology

ज्ञानेन (jñānena) - by knowledge

(noun)

Instrumental, neuter, singular of jñāna

jñāna - knowledge, wisdom, cognition

Derived from √jñā (to know)

Root: jñā (class 9)

Note: Instrumental case indicating means.

आकाशरूपेण (ākāśarūpeṇa) - which is like space (in the form of space, having the nature of space)

(adjective)

Instrumental, neuter, singular of ākāśarūpa

ākāśarūpa - having the form/nature of space (ākāśa)

Compound type : tatpuruṣa (ākāśa+rūpa)

• ākāśa – space, ether, sky
  noun (masculine)
• rūpa – form, nature, appearance, beauty
  noun (neuter)

Note: Agrees with `jñānena`.

दृश्यम् (dṛśyam) - the perceptible world (the visible, the perceptible (world/object))

(participle)

neuter, singular of dṛśya

dṛśya - visible, perceptible, an object of sight

Gerundive/Future Passive Participle

Derived from √dṛś (to see) + -ya

Root: dṛś (class 1)

Note: Subject/Object of unification.

ज्ञेयस्वरूपकम् (jñeyasvarūpakam) - intrinsically knowable (having the nature of the knowable, whose form is the knowable)

(adjective)

neuter, singular of jñeyasvarūpaka

jñeyasvarūpaka - having the nature of the knowable

Compound type : bahuvrīhi (jñeya+svarūpa)

• jñeya – knowable, to be known, object of knowledge
  participle
  Gerundive/Future Passive Participle
  Derived from √jñā (to know) + -ya
  Root: jñā (class 9)
• svarūpa – one's own form, true nature, intrinsic nature, essence
  noun (neuter)

Note: Agrees with `dṛśyam`.

इति (iti) - (indicating that) (thus, in this manner, so saying)

(indeclinable)

Note: Marks the end of a thought or statement.

एकीभूतम् (ekībhūtam) - become unified (become one, unified, made identical)

(participle)

neuter, singular of ekībhūta

ekībhūta - become one, unified, made identical

Past Passive Participle

Derived from ekī-bhū (to become one)

Root: bhū (class 1)

Note: Agrees with `dṛśyam`.

आलोक्य (ālokya) - when perceiving (having seen, having perceived, after observing)

(indeclinable)

Absolutive (Gerund)

Derived from ā-√lok (to see, perceive)

Prefix: ā

Root: lok (class 10)

Note: Action completed before the main verb.

ज्ञः (jñaḥ) - the knower himself (the knower, the wise person)

(noun)

Nominative, masculine, singular of jña

jña - knowing, wise, the knower

Derived from √jñā (to know)

Root: jñā (class 9)

Note: Subject of `tiṣṭhati`.

तिष्ठति (tiṣṭhati) - remains (stands, remains, dwells, exists)

(verb)

3rd person , singular, active, present (lat) of sthā

Present active, 3rd person singular

Root: sthā (class 1)

अम्बरोपमः (ambaropamaḥ) - like space (like space, comparable to space)

(adjective)

Nominative, masculine, singular of ambaropama

ambaropama - like space, comparable to space

Compound type : tatpuruṣa (ambara+upama)

• ambara – sky, space, atmosphere
  noun (neuter)
• upama – likeness, comparison, similar, equal to
  adjective
  Derived from upa-√mā (to compare)
  Prefix: upa
  Root: mā (class 2)

Note: Agrees with `jñaḥ`.