योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-15, verse-13

तस्मादचेत्यचिदूपं जगद्व्योमेव केवलम् ।
शून्यौ व्योमजगच्छब्दौ पर्यायौ विद्धि चिन्मयौ ॥ १३ ॥

tasmādacetyacidūpaṃ jagadvyomeva kevalam ,
śūnyau vyomajagacchabdau paryāyau viddhi cinmayau 13

13. tasmāt acetya citrūpam jagat vyoma eva kevalam
śūnyau vyomajagatśabdau paryāyau viddhi cinmayau

13. tasmāt acetya citrūpam jagat kevalam vyoma eva asti
śūnyau vyomajagatśabdau cinmayau paryāyau iti viddhi

13. Therefore, this world (jagat), being unintelligible (acetya) and of the very nature of consciousness (cit-rūpa), is merely like space (vyoman). Understand that the words 'space' (vyoman) and 'world' (jagat) are synonyms (paryāya), both composed of consciousness (cinmaya).

Words meanings summery:

• तस्मात् (tasmāt) - therefore, from that

• अचेत्य (acetya) - imperceptible, unintelligible, unknowable (as a distinct object)

• चित्रूपम् (citrūpam) - of the nature of consciousness, having the form of consciousness

• जगत् (jagat) - world, universe

• व्योम (vyoma) - sky, space, ether

• एव (eva) - indeed, certainly, only, even

• केवलम् (kevalam) - merely, only, solely, pure

• शून्यौ (śūnyau) - two void, two empty, two nonexistent

• व्योमजगत्शब्दौ (vyomajagatśabdau) - the two words 'space' (vyoman) and 'world' (jagat)

• पर्यायौ (paryāyau) - two synonyms, two interchangeable terms

• विद्धि (viddhi) - know, understand (imperative)

• चिन्मयौ (cinmayau) - two consisting of consciousness, two pervaded by consciousness, two made of consciousness

Words meanings and morphology

तस्मात् (tasmāt) - therefore, from that

(indeclinable)

Note: Ablative of 'tad' used as an indeclinable adverb meaning 'therefore'.

अचेत्य (acetya) - imperceptible, unintelligible, unknowable (as a distinct object)

(adjective)

Nominative, neuter, singular of acetya

acetya - imperceptible, unintelligible, unknowable

From cetya (perceptible, intelligible - gerundive of cit) with negative prefix 'a-'.

Compound type : nañ-tatpuruṣa (a+cetya)

• a – not, non-
  indeclinable
  Negative prefix.
• cetya – perceivable, intelligible, thinkable
  adjective (neuter)
  Gerundive/Future Passive Participle
  Gerundive (karmaṇi) of the root 'cit' (to perceive, understand).
  Root: cit (class 10)

Note: Qualifies 'jagat'.

चित्रूपम् (citrūpam) - of the nature of consciousness, having the form of consciousness

(adjective)

Nominative, neuter, singular of citrūpa

citrūpa - of the nature of consciousness, having the form of consciousness

Tatpuruṣa or Bahuvrihi compound of 'cit' (consciousness) and 'rūpa' (form, nature).

Compound type : tatpuruṣa (cit+rūpa)

• cit – consciousness, intelligence, pure awareness
  noun (feminine)
  From root cit (to perceive, understand).
  Root: cit (class 10)
• rūpa – form, nature, appearance
  noun (neuter)

Note: Qualifies 'jagat'.

जगत् (jagat) - world, universe

(noun)

Nominative, neuter, singular of jagat

jagat - world, universe, moving

Present Active Participle

From root gam (to go) + śatṛ suffix.

Root: gam (class 1)

Note: Subject of the implied verb 'is'.

व्योम (vyoma) - sky, space, ether

(noun)

Nominative, neuter, singular of vyoman

vyoman - sky, space, ether

Note: Predicate nominative, 'is' implied.

एव (eva) - indeed, certainly, only, even

(indeclinable)

Particle for emphasis.

केवलम् (kevalam) - merely, only, solely, pure

(indeclinable)

Note: Adverbial use of the neuter accusative singular form.

शून्यौ (śūnyau) - two void, two empty, two nonexistent

(adjective)

Nominative, masculine, dual of śūnya

śūnya - empty, void, hollow, non-existent

Note: Qualifies 'vyomajagatśabdau'.

व्योमजगत्शब्दौ (vyomajagatśabdau) - the two words 'space' (vyoman) and 'world' (jagat)

(noun)

Nominative, masculine, dual of vyomajagatśabda

vyomajagatśabda - the words 'space' and 'world'

Dvandva compound of 'vyoma-śabda' and 'jagat-śabda'.

Compound type : dvandva (vyomaśabda+jagatśabda)

• vyomaśabda – the word 'space'
  noun (masculine)
  Tatpuruṣa compound meaning 'the word vyoman'.
• jagatśabda – the word 'world'
  noun (masculine)
  Tatpuruṣa compound meaning 'the word jagat'.

Note: Subject of 'viddhi' (know them as...). Due to dual, 'śabdau' implies 'two words'.

पर्यायौ (paryāyau) - two synonyms, two interchangeable terms

(noun)

Nominative, masculine, dual of paryāya

paryāya - synonym, equivalent, alternative, turn

From root i (to go) with prefix pari- + a-.

Prefix: pari

Root: i (class 2)

Note: Predicate nominative, agreeing with 'vyomajagatśabdau'.

विद्धि (viddhi) - know, understand (imperative)

(verb)

2nd person , singular, active, imperative (loṭ) of vid

Imperative (Loṭ)

Second person singular imperative active of root 'vid' (class 2, 'vetti').

Root: vid (class 2)

चिन्मयौ (cinmayau) - two consisting of consciousness, two pervaded by consciousness, two made of consciousness

(adjective)

Nominative, masculine, dual of cinmaya

cinmaya - consisting of consciousness, made of consciousness, pervaded by consciousness

From 'cit' (consciousness) + '-maya' (suffix meaning 'made of', 'consisting of').

Compound type : tatpuruṣa (cit+maya)

• cit – consciousness, intelligence, pure awareness
  noun (feminine)
  From root cit (to perceive, understand).
  Root: cit (class 10)
• maya – made of, consisting of, full of
  adjective (masculine)
  Suffix indicating material or essence.

Note: Qualifies 'vyomajagatśabdau' and 'paryāyau'.