योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-13, verse-18

जीवाकाशस्त्विमं देहं यथा विन्दति तच्छ्रुणु ।
जीवाकाशः स्वमेवासौ तस्मिंस्तु परमेश्वरे ॥ १८ ॥

jīvākāśastvimaṃ dehaṃ yathā vindati tacchruṇu ,
jīvākāśaḥ svamevāsau tasmiṃstu parameśvare 18

18. jīvākāśaḥ tu imam deham yathā vindati tat śṛṇu |
jīvākāśaḥ svam eva asau tasmin tu parameśvare ||

18. jīvākāśaḥ imam deham yathā vindati,
tat śṛṇu.
jīvākāśaḥ tu asau tasmin parameśvare svam eva (asti).

18. Listen to how the individual consciousness (jīvākāśa) comes to experience this body. Indeed, that individual consciousness is merely its own self (ātman) within the Supreme Lord (Parameśvara).

Words meanings summery:

• जीवाकाशः (jīvākāśaḥ) - the individual consciousness or soul's space (individual consciousness, living space, vital ether)

• तु (tu) - indeed (but, indeed, on the other hand, however)

• इमम् (imam) - this

• देहम् (deham) - body

• यथा (yathā) - how (as, just as, how)

• विन्दति (vindati) - experiences (finds, obtains, experiences, knows)

• तत् (tat) - that (referring to the manner of experiencing) (that)

• शृणु (śṛṇu) - listen (listen, hear)

• जीवाकाशः (jīvākāśaḥ) - the individual consciousness or soul's space (individual consciousness, living space, vital ether)

• स्वम् (svam) - its own self (own, one's own, self)

• एव (eva) - merely, indeed (only, just, indeed, precisely)

• असौ (asau) - that one (referring to jīvākāśa) (that (person/thing))

• तस्मिन् (tasmin) - in that (in that, upon that)

• तु (tu) - indeed (but, indeed, on the other hand, however)

• परमेश्वरे (parameśvare) - in the Supreme Lord

Words meanings and morphology

जीवाकाशः (jīvākāśaḥ) - the individual consciousness or soul's space (individual consciousness, living space, vital ether)

(noun)

Nominative, masculine, singular of jīvākāśa

jīvākāśa - individual consciousness, the ether (space) in which the jīva (individual soul) resides or functions

Compound type : tatpuruṣa (jīva+ākāśa)

• jīva – individual soul, living being, life
  noun (masculine)
  Root: jīv (class 1)
• ākāśa – space, ether, sky, vacuity
  noun (masculine)
  Prefix: ā
  Root: kāś (class 1)

तु (tu) - indeed (but, indeed, on the other hand, however)

(indeclinable)

इमम् (imam) - this

(pronoun)

Accusative, masculine, singular of idam

idam - this

देहम् (deham) - body

(noun)

Accusative, masculine, singular of deha

deha - body, form, person

Root: dih (class 4)

यथा (yathā) - how (as, just as, how)

(indeclinable)

विन्दति (vindati) - experiences (finds, obtains, experiences, knows)

(verb)

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

Present active indicative

Class 6 verb, Parasmaipada

Root: vid (class 6)

तत् (tat) - that (referring to the manner of experiencing) (that)

(pronoun)

Accusative, neuter, singular of tad

tad - that, it

Note: Can also be nominative neuter, but here functions as object of śṛṇu.

शृणु (śṛṇu) - listen (listen, hear)

(verb)

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

Imperative active

Class 5 verb, Parasmaipada

Root: śru (class 5)

जीवाकाशः (jīvākāśaḥ) - the individual consciousness or soul's space (individual consciousness, living space, vital ether)

(noun)

Nominative, masculine, singular of jīvākāśa

jīvākāśa - individual consciousness, the ether (space) in which the jīva (individual soul) resides or functions

Compound type : tatpuruṣa (jīva+ākāśa)

• jīva – individual soul, living being, life
  noun (masculine)
  Root: jīv (class 1)
• ākāśa – space, ether, sky, vacuity
  noun (masculine)
  Prefix: ā
  Root: kāś (class 1)

स्वम् (svam) - its own self (own, one's own, self)

(pronoun)

Nominative, neuter, singular of sva

sva - one's own, own property, self, soul

Note: Can also be accusative neuter. Here it functions as a predicate nominative with 'asau'.

एव (eva) - merely, indeed (only, just, indeed, precisely)

(indeclinable)

असौ (asau) - that one (referring to jīvākāśa) (that (person/thing))

(pronoun)

Nominative, masculine, singular of adas

adas - that, that one, yonder

तस्मिन् (tasmin) - in that (in that, upon that)

(pronoun)

Locative, masculine, singular of tad

tad - that, it

Note: Refers to Parameśvara, hence masculine here.

तु (tu) - indeed (but, indeed, on the other hand, however)

(indeclinable)

परमेश्वरे (parameśvare) - in the Supreme Lord

(noun)

Locative, masculine, singular of parameśvara

parameśvara - Supreme Lord, supreme ruler

Compound type : karmadhāraya (parama+īśvara)

• parama – supreme, highest, excellent
  adjective (masculine)
• īśvara – lord, master, ruler, god
  noun (masculine)
  Root: īś (class 2)