योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-49, verse-30

आतिवाहिकदेहानां चित्तानामेव जायते ।
आधिभौतिकताबोधो दृढभावनया स्वया ॥ ३० ॥

ātivāhikadehānāṃ cittānāmeva jāyate ,
ādhibhautikatābodho dṛḍhabhāvanayā svayā 30

30. ātivāhikadehānām cittānām eva jāyate
ādhibhautikatābodhaḥ dṛḍhabhāvanayā svayā

30. ātivāhikadehānām cittānām eva
ādhibhautikatābodhaḥ svayā dṛḍhabhāvanayā jāyate

30. The perception of gross materiality (ādhibhautikatābodha) arises in subtle bodies (ātivāhika-deha), in their minds (citta) alone, through one's own firm imagination (bhāvanā).

Words meanings summery:

• आतिवाहिकदेहानाम् (ātivāhikadehānām) - of subtle bodies, of ethereal bodies, of vehicles of transmigration

• चित्तानाम् (cittānām) - of minds, of consciousness, of thoughts

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

• जायते (jāyate) - is born, arises, is produced, happens

• आधिभौतिकताबोधः (ādhibhautikatābodhaḥ) - the perception of gross materiality, consciousness of material elements

• दृढभावनया (dṛḍhabhāvanayā) - by firm imagination, by strong contemplation, through deep impression

• स्वया (svayā) - by one's own (feminine)

Words meanings and morphology

आतिवाहिकदेहानाम् (ātivāhikadehānām) - of subtle bodies, of ethereal bodies, of vehicles of transmigration

(noun)

Genitive, masculine, plural of ātivāhikadeha

ātivāhikadeha - subtle body, ethereal body, transmigration vehicle

Compound type : tatpuruṣa (ātivāhika+deha)

• ātivāhika – subtle, ethereal, causing to pass over, carrying across
  adjective
  Derived from root `vah` with prefix `ati` and `ka` suffix
  Prefix: ati
  Root: vah (class 1)
• deha – body
  noun (masculine)

चित्तानाम् (cittānām) - of minds, of consciousness, of thoughts

(noun)

Genitive, neuter, plural of citta

citta - mind, consciousness, thought, intellect

Derived from root `cit`

Root: cit (class 1)

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

(indeclinable)

जायते (jāyate) - is born, arises, is produced, happens

(verb)

3rd person , singular, middle, present (laṭ) of jan

Root: jan (class 4)

आधिभौतिकताबोधः (ādhibhautikatābodhaḥ) - the perception of gross materiality, consciousness of material elements

(noun)

Nominative, masculine, singular of ādhibhautikatābodha

ādhibhautikatābodha - perception/consciousness of materiality belonging to the elements

Compound type : tatpuruṣa (ādhibhautikatā+bodha)

• ādhibhautikatā – materiality, state of being related to gross elements
  noun (feminine)
  Derived from `adhibhūta` with suffix `tā`
• bodha – awakening, consciousness, realization, understanding, knowledge
  noun (masculine)
  Derived from root `budh`
  Root: budh (class 1)

दृढभावनया (dṛḍhabhāvanayā) - by firm imagination, by strong contemplation, through deep impression

(noun)

Instrumental, feminine, singular of dṛḍhabhāvanā

dṛḍhabhāvanā - firm imagination/contemplation/impression

Compound type : karmadhāraya (dṛḍha+bhāvanā)

• dṛḍha – firm, strong, rigid, fixed
  adjective
  Past Passive Participle
  From root `dṛh`
  Root: dṛh (class 4)
• bhāvanā – imagination, contemplation, intense feeling, mental impression, creation
  noun (feminine)
  Derived from causative of root `bhū`
  Root: bhū (class 1)

स्वया (svayā) - by one's own (feminine)

(adjective)

Instrumental, feminine, singular of sva

sva - own, one's own