योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-18, verse-30

आकाशविशदो द्रष्टा सर्वाङ्गोऽपि न पश्यति ।
तेषां निजमिवात्मानं दृशीभूतमिवाभ्रमः ॥ ३० ॥

ākāśaviśado draṣṭā sarvāṅgo'pi na paśyati ,
teṣāṃ nijamivātmānaṃ dṛśībhūtamivābhramaḥ 30

30. ākāśaviśadaḥ draṣṭā sarvāṅgaḥ api na paśyati
teṣām nijam iva ātmānam dṛśībhūtam iva abhramaḥ

30. draṣṭā ākāśaviśadaḥ sarvāṅgaḥ api teṣām nijam
iva dṛśībhūtam ātmānam na paśyati iva abhramaḥ

30. The seer, who is pure as space and complete in all aspects, does not perceive the Self (ātman) which is manifest to them as their very own, yet this situation is not a delusion.

Words meanings summery:

• आकाशविशदः (ākāśaviśadaḥ) - pure as space (clear as space, pure as the sky)

• द्रष्टा (draṣṭā) - the perceiving consciousness (the seer, observer, witness)

• सर्वाङ्गः (sarvāṅgaḥ) - complete in all aspects (having all limbs/parts, complete, entire-bodied)

• अपि (api) - even though (even, also, although)

• न (na) - not (not, no)

• पश्यति (paśyati) - perceives (sees, perceives)

• तेषाम् (teṣām) - of them (referring to people who fail to see the Self) (of them, to them)

• निजम् (nijam) - one's own (one's own, native, inherent)

• इव (iva) - as if (like, as, as if)

• आत्मानम् (ātmānam) - the Self (ātman) (the Self, soul, spirit)

• दृशीभूतम् (dṛśībhūtam) - manifest (become visible, manifest, perceptible)

• इव (iva) - as if (like, as, as if)

• अभ्रमः (abhramaḥ) - not a delusion (not a delusion, not an error, cloudless, undeluded)

Words meanings and morphology

आकाशविशदः (ākāśaviśadaḥ) - pure as space (clear as space, pure as the sky)

(adjective)

Nominative, masculine, singular of ākāśaviśada

ākāśaviśada - clear as space, pure as the sky

Compound type : tatpuruṣa (ākāśa+viśada)

• ākāśa – space, ether, sky
  noun (masculine)
• viśada – clear, pure, white, bright
  adjective (masculine)

द्रष्टा (draṣṭā) - the perceiving consciousness (the seer, observer, witness)

(noun)

Nominative, masculine, singular of draṣṭṛ

draṣṭṛ - seer, observer, witness

agent noun

derived from root dṛś with suffix -tṛ

Root: dṛś (class 1)

सर्वाङ्गः (sarvāṅgaḥ) - complete in all aspects (having all limbs/parts, complete, entire-bodied)

(adjective)

Nominative, masculine, singular of sarvāṅga

sarvāṅga - having all limbs, entire-bodied, complete

Compound type : bahuvrīhi (sarva+aṅga)

• sarva – all, every, entire
  pronoun/adjective (masculine)
• aṅga – limb, body part, constituent
  noun (neuter)

अपि (api) - even though (even, also, although)

(indeclinable)

न (na) - not (not, no)

(indeclinable)

पश्यति (paśyati) - perceives (sees, perceives)

(verb)

3rd person , singular, active, present indicative (laṭ) of dṛś

present indicative

root dṛś takes substitute paś in present tense

Root: dṛś (class 1)

तेषाम् (teṣām) - of them (referring to people who fail to see the Self) (of them, to them)

(pronoun)

Genitive, masculine, plural of tad

tad - that, he, she, it

निजम् (nijam) - one's own (one's own, native, inherent)

(adjective)

Accusative, masculine, singular of nija

nija - one's own, native, inherent

Note: Agrees with ātmānam.

इव (iva) - as if (like, as, as if)

(indeclinable)

आत्मानम् (ātmānam) - the Self (ātman) (the Self, soul, spirit)

(noun)

Accusative, masculine, singular of ātman

ātman - Self, soul, individual soul, supreme soul

Root: an (class 2)

Note: Object of paśyati.

दृशीभूतम् (dṛśībhūtam) - manifest (become visible, manifest, perceptible)

(adjective)

Accusative, masculine, singular of dṛśībhūta

dṛśībhūta - become visible, manifest, appeared

Past Passive Participle

derived from dṛś + bhū (to become)

Root: dṛś (class 1)

Note: Agrees with ātmānam.

इव (iva) - as if (like, as, as if)

(indeclinable)

अभ्रमः (abhramaḥ) - not a delusion (not a delusion, not an error, cloudless, undeluded)

(noun)

Nominative, masculine, singular of abhrama

abhrama - without delusion, undeluded, cloudless, not an error

negation of bhrama

Compound type : nañ-tatpuruṣa (a+bhrama)

• a – not, non-, un-
  indeclinable
• bhrama – illusion, delusion, error, wandering
  noun (masculine)
  Root: bhram (class 1)

Note: Predicate nominative for an implied 'this is'.