योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-2, verse-47

अचेतनाकाशमनन्यदेकं तदेवमस्ति त्विदमर्थहीनम् ।
तद्व्योमरूपं यत एतदेवं निरामयं चेतनसारमाहुः ॥ ४७ ॥

acetanākāśamananyadekaṃ tadevamasti tvidamarthahīnam ,
tadvyomarūpaṃ yata etadevaṃ nirāmayaṃ cetanasāramāhuḥ 47

47. acetana ākāśam ananya ekam tat evam asti tu idam arthahīnam
tat vyomarūpam yataḥ etad evam nirāmayam cetanasāram āhuḥ

47. acetanam ananyam ekam ākāśam tat evam asti,
tu idam arthahīnam.
yataḥ etad evam nirāmayam,
tat vyomarūpam cetanasāram āhuḥ.

47. Unconscious, non-distinct, and singular space — such it exists, yet this [view of it] is devoid of purpose. That very form of space, because it is thus flawless, they declare to be the essence of consciousness (cetanasāra).

Words meanings summery:

• अचेतन (acetana) - lacking consciousness or awareness (unconscious, non-sentient, inanimate)

• आकाशम् (ākāśam) - the all-pervading subtle space (space, ether)

• अनन्य (ananya) - undifferentiated, non-dual (non-other, unique, not different)

• एकम् (ekam) - singular in its nature, undivided (one, single, unique)

• तत् (tat) - referring to the aforementioned space (that, it)

• एवम् (evam) - in this described manner (as unconscious, non-dual, single) (thus, in this manner, so)

• अस्ति (asti) - truly exists (is, exists)

• तु (tu) - a contrasting particle (but, yet, indeed)

• इदम् (idam) - this perception or state (of space as meaningless) (this)

• अर्थहीनम् (arthahīnam) - without any ultimate spiritual significance (meaningless, devoid of purpose, useless)

• तत् (tat) - referring to the same space mentioned earlier (that, it)

• व्योमरूपम् (vyomarūpam) - the very nature or essence of space itself (sky-form, space-like form; the form of space)

• यतः (yataḥ) - because, on account of which (because, from which, whereby)

• एतद् (etad) - this (space), in its true nature (this)

• एवम् (evam) - in this (flawless) manner (thus, in this manner, so)

• निरामयम् (nirāmayam) - free from any blemish or imperfection (faultless, pure, stainless, healthy)

• चेतनसारम् (cetanasāram) - the fundamental conscious reality (essence of consciousness; conscious essence)

• आहुः (āhuḥ) - the wise ones (sages, scriptures) declare (they say, they call, they declare)

Words meanings and morphology

अचेतन (acetana) - lacking consciousness or awareness (unconscious, non-sentient, inanimate)

(adjective)

neuter, singular of acetana

acetana - unconscious, inanimate

Compound type : nañ-tatpuruṣa (a+cetana)

• a – not, non
  indeclinable
• cetana – conscious, sentient; consciousness
  adjective
  Root: cit (class 1)

Note: Qualifies 'ākāśam'.

आकाशम् (ākāśam) - the all-pervading subtle space (space, ether)

(noun)

neuter, singular of ākāśa

ākāśa - space, ether, sky

Root: kāś (class 1)

Note: Subject of 'asti', or object of implied verb.

अनन्य (ananya) - undifferentiated, non-dual (non-other, unique, not different)

(adjective)

neuter, singular of ananya

ananya - not other, non-different, unique

Compound type : nañ-tatpuruṣa (a+anya)

• a – not, non
  indeclinable
• anya – other, different
  adjective

Note: Qualifies 'ākāśam'.

एकम् (ekam) - singular in its nature, undivided (one, single, unique)

(adjective)

neuter, singular of eka

eka - one, single, alone, unique

Note: Qualifies 'ākāśam'.

तत् (tat) - referring to the aforementioned space (that, it)

(pronoun)

Nominative, neuter, singular of tad

tad - that, it

Note: Subject of 'asti'.

एवम् (evam) - in this described manner (as unconscious, non-dual, single) (thus, in this manner, so)

(indeclinable)

अस्ति (asti) - truly exists (is, exists)

(verb)

3rd person , singular, active, present (laṭ) of as

Present indicative, 3rd person singular of root 'as'.

Root: as (class 2)

तु (tu) - a contrasting particle (but, yet, indeed)

(indeclinable)

इदम् (idam) - this perception or state (of space as meaningless) (this)

(pronoun)

Nominative, neuter, singular of idam

idam - this

Note: Subject of implied 'is'.

अर्थहीनम् (arthahīnam) - without any ultimate spiritual significance (meaningless, devoid of purpose, useless)

(adjective)

neuter, singular of arthahīna

arthahīna - meaningless, useless, devoid of purpose/wealth

Compound type : tatpuruṣa (artha+hīna)

• artha – meaning, purpose, object, wealth
  noun (masculine)
• hīna – devoid of, lacking, abandoned
  adjective
  Past Passive Participle
  From root 'hā' (to abandon, to leave).
  Root: hā (class 3)

Note: Predicative adjective for 'idam'.

तत् (tat) - referring to the same space mentioned earlier (that, it)

(pronoun)

Accusative, neuter, singular of tad

tad - that, it

Note: Object of 'āhuḥ'.

व्योमरूपम् (vyomarūpam) - the very nature or essence of space itself (sky-form, space-like form; the form of space)

(noun)

Accusative, neuter, singular of vyomarūpa

vyomarūpa - having the form of sky/space; the form of space

Compound type : tatpuruṣa (vyoman+rūpa)

• vyoman – sky, heaven, atmosphere, space
  noun (neuter)
• rūpa – form, shape, nature, beauty
  noun (neuter)

Note: Qualifies 'tat' and is object of 'āhuḥ'.

यतः (yataḥ) - because, on account of which (because, from which, whereby)

(indeclinable)

Ablative adverbial particle from 'yad'.

एतद् (etad) - this (space), in its true nature (this)

(pronoun)

Nominative, neuter, singular of etad

etad - this, that

Note: Subject of an implied 'is'.

एवम् (evam) - in this (flawless) manner (thus, in this manner, so)

(indeclinable)

निरामयम् (nirāmayam) - free from any blemish or imperfection (faultless, pure, stainless, healthy)

(adjective)

neuter, singular of nirāmaya

nirāmaya - free from disease/fault, healthy, pure, stainless

Compound type : bahuvrīhi (nis+āmaya)

• nis – out, without
  indeclinable
• āmaya – illness, disease, fault, defect
  noun (masculine)
  Prefix: ā
  Root: am (class 1)

Note: Qualifies 'etad' or 'cetanasāram'.

चेतनसारम् (cetanasāram) - the fundamental conscious reality (essence of consciousness; conscious essence)

(noun)

Accusative, neuter, singular of cetanasāra

cetanasāra - essence of consciousness; conscious essence

Compound type : ṣaṣṭhī-tatpuruṣa (cetana+sāra)

• cetana – conscious, sentient; consciousness
  adjective
  Root: cit (class 1)
• sāra – essence, core, pith, strength
  noun (masculine/neuter)
  Root: sṛ (class 1)

Note: Predicative accusative for 'tat vyomarūpam' (what they call it).

आहुः (āhuḥ) - the wise ones (sages, scriptures) declare (they say, they call, they declare)

(verb)

3rd person , plural, active, perfect (liṭ) of ah

Perfect tense (liṭ), 3rd person plural of root 'ah'.

Root: ah (class 2)

Note: Implied subject is 'sages' or 'scriptures'.