योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-73, verse-30

इत्थं स्वानुभवेनैष व्योम्नैव व्योमरूपभृत् ।
आतिवाहिकनामान्तर्देहः संपद्यते चितेः ॥ ३० ॥

itthaṃ svānubhavenaiṣa vyomnaiva vyomarūpabhṛt ,
ātivāhikanāmāntardehaḥ saṃpadyate citeḥ 30

30. ittham svānubhavena eṣaḥ vyomnā eva vyomarūpabhṛt
ātivāhikanāmāntardehaḥ sampadyate citeḥ

30. ittham eṣaḥ svānubhavena vyomarūpabhṛt vyomnā eva citeḥ ātivāhikanāmāntardehaḥ sampadyate.

30. Thus, through its own direct experience (svānubhava), this [being], assuming a form like space, becomes, by space itself, an inner body within consciousness (cit) that is known as the 'subtle migratory body' (ātivāhika).

Words meanings summery:

• इत्थम् (ittham) - thus, in this manner, in this way

• स्वानुभवेन (svānubhavena) - by its own experience, through self-perception

• एषः (eṣaḥ) - this developing consciousness/individual (ātman) (this, this one)

• व्योम्ना (vyomnā) - by space, through space

• एव (eva) - indeed, only, just

• व्योमरूपभृत् (vyomarūpabhṛt) - assuming the form of space, bearing the form of ether

• आतिवाहिकनामान्तर्देहः (ātivāhikanāmāntardehaḥ) - an inner body named 'ātivāhika'

• सम्पद्यते (sampadyate) - becomes, results in, is accomplished

• चितेः (citeḥ) - of consciousness, for consciousness

Words meanings and morphology

इत्थम् (ittham) - thus, in this manner, in this way

(indeclinable)

From idam + thām suffix

स्वानुभवेन (svānubhavena) - by its own experience, through self-perception

(noun)

Instrumental, masculine, singular of svānubhava

svānubhava - one's own experience, self-perception, self-realization

Compound

Compound type : ṣaṣṭhī-tatpuruṣa (sva+anubhava)

• sva – own, one's own, self
  adjective/pronoun (masculine/feminine/neuter)
• anubhava – experience, perception, sensation
  noun (masculine)
  From anu + bhū (to be, become, experience)
  Prefix: anu
  Root: bhū (class 1)

एषः (eṣaḥ) - this developing consciousness/individual (ātman) (this, this one)

(pronoun)

Nominative, masculine, singular of etad

etad - this, this one

Demonstrative pronoun

Note: Subject of sampadyate.

व्योम्ना (vyomnā) - by space, through space

(noun)

Instrumental, neuter, singular of vyoman

vyoman - sky, space, atmosphere

n-stem noun

एव (eva) - indeed, only, just

(indeclinable)

व्योमरूपभृत् (vyomarūpabhṛt) - assuming the form of space, bearing the form of ether

(adjective)

Nominative, masculine, singular of vyomarūpabhṛt

vyomarūpabhṛt - one who bears or assumes the form of space

Compound with suffix bhṛt (from root bhṛ to bear)

Compound type : tatpuruṣa (vyoman+rūpa+bhṛt)

• vyoman – space, sky
  noun (neuter)
• rūpa – form, shape, appearance, nature
  noun (neuter)
  Root: rūp (class 10)
• bhṛt – bearing, supporting, maintaining
  adjective (masculine/feminine/neuter)
  Derived from root bhṛ (to bear, carry)
  Root: bhṛ (class 3)

Note: Qualifies eṣaḥ.

आतिवाहिकनामान्तर्देहः (ātivāhikanāmāntardehaḥ) - an inner body named 'ātivāhika'

(noun)

Nominative, masculine, singular of ātivāhikanāmāntardeha

ātivāhikanāmāntardeha - the inner body known as the subtle migratory body

Compound

Compound type : tatpuruṣa (ātivāhika+nāman+antar+deha)

• ātivāhika – subtle (body), migratory (body), carrying beyond
  adjective/noun (masculine/neuter)
  From ati + vah (to carry) + ika suffix.
  Prefix: ati
  Root: vah (class 1)
• nāman – name, appellation
  noun (neuter)
  n-stem neuter noun
• antar – inner, inside, between, within
  indeclinable
  Also functions as a prefix.
• deha – body, physical form
  noun (masculine)
  From root dih (to smear, grow)
  Root: dih (class 1)

Note: Predicate nominative for sampadyate.

सम्पद्यते (sampadyate) - becomes, results in, is accomplished

(verb)

3rd person , singular, middle, present (laṭ) of sam-pad

Present Tense, 3rd person singular, middle voice

From root pad (to go, fall) with prefix sam.

Prefix: sam

Root: pad (class 4)

चितेः (citeḥ) - of consciousness, for consciousness

(noun)

Genitive, feminine, singular of cit

cit - consciousness, mind, understanding

Feminine t-stem noun

Root: cit (class 1)

Note: Indicates possession or relation, "of consciousness" or "for consciousness."