योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-52, verse-38

यदाधिभौतिकं भावं चेतोऽनुभवति स्वयम् ।
चेत्यं सन्मयमेवात आतिवाहिककल्पनम् ॥ ३८ ॥

yadādhibhautikaṃ bhāvaṃ ceto'nubhavati svayam ,
cetyaṃ sanmayamevāta ātivāhikakalpanam 38

38. yadā ādhibhautikam bhāvam cetaḥ anubhavati svayam
| cetyam sanmayam eva ataḥ ātivāhika-kalpanam ||

38. yadā cetaḥ svayam ādhibhautikam bhāvam anubhavati,
cetyam sanmayam eva,
ataḥ ātivāhika-kalpanam.

38. When consciousness (cetas) itself experiences the objective reality, then the cognized object (cetyam) is perceived as purely existent. Consequently, this leads to the conceptualization of the subtle body (ātivāhika-kalpanam).

Words meanings summery:

• यदा (yadā) - when, at which time

• आधिभौतिकम् (ādhibhautikam) - objective reality (relating to material elements, objective reality, physical)

• भावम् (bhāvam) - objective reality (state, existence, being, nature, reality, object)

• चेतः (cetaḥ) - consciousness, mind, intellect

• अनुभवति (anubhavati) - experiences, perceives, feels

• स्वयम् (svayam) - itself, directly (oneself, spontaneously, naturally)

• चेत्यम् (cetyam) - cognized object, object of cognition (that which is to be cognized, object of thought, cognizable)

• सन्मयम् (sanmayam) - purely existent, inherently real (consisting of being, real, true)

• एव (eva) - purely, inherently (only, indeed, just, certainly)

• अतः (ataḥ) - consequently, thus (therefore, hence, from this)

• आतिवाहिक-कल्पनम् (ātivāhika-kalpanam) - conceptualization of the subtle body

Words meanings and morphology

यदा (yadā) - when, at which time

(indeclinable)

आधिभौतिकम् (ādhibhautikam) - objective reality (relating to material elements, objective reality, physical)

(adjective)

Accusative, neuter, singular of ādhibhautika

ādhibhautika - relating to material elements or objects, pertaining to objective existence, physical, terrestrial

From adhibhūta (superior being/element) + ika (suffix)

Compound type : tatpuruṣa (adhi+bhūta)

• adhi – over, above, concerning, relating to
  preposition
• bhūta – being, element, creature, what has been
  noun (neuter)
  Past Passive Participle
  from root bhū (to be, become)
  Root: bhū (class 1)

Note: Qualifies 'bhāvam'.

भावम् (bhāvam) - objective reality (state, existence, being, nature, reality, object)

(noun)

Accusative, masculine, singular of bhāva

bhāva - being, existence, state, condition, nature, sentiment, feeling, object

from root bhū (to be, become)

Root: bhū (class 1)

Note: Direct object of 'anubhavati'.

चेतः (cetaḥ) - consciousness, mind, intellect

(noun)

Nominative, neuter, singular of cetas

cetas - mind, intellect, consciousness, understanding

Note: Subject of 'anubhavati'.

अनुभवति (anubhavati) - experiences, perceives, feels

(verb)

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

Prefix: anu

Root: bhū (class 1)

स्वयम् (svayam) - itself, directly (oneself, spontaneously, naturally)

(indeclinable)

Note: Emphasizes 'cetaḥ' performing the action.

चेत्यम् (cetyam) - cognized object, object of cognition (that which is to be cognized, object of thought, cognizable)

(adjective)

Nominative, neuter, singular of cetya

cetya - to be thought, to be perceived, cognizable, object of thought

Gerundive

from root cit (to perceive, observe, understand)

Root: cit (class 1)

Note: Predicate nominative.

सन्मयम् (sanmayam) - purely existent, inherently real (consisting of being, real, true)

(adjective)

Nominative, neuter, singular of sanmaya

sanmaya - consisting of reality or being, real, true

From sat (being, reality) + mayaṭ (suffix for 'consisting of')

Compound type : tatpuruṣa (sat+maya)

• sat – being, existence, reality, good, true
  noun (neuter)
  Present Active Participle
  from root as (to be)
  Root: as (class 2)
• maya – consisting of, made of
  suffix

Note: Qualifies 'cetyam'.

एव (eva) - purely, inherently (only, indeed, just, certainly)

(indeclinable)

Note: Emphasizes 'sanmayam'.

अतः (ataḥ) - consequently, thus (therefore, hence, from this)

(indeclinable)

Note: Connects the two clauses.

आतिवाहिक-कल्पनम् (ātivāhika-kalpanam) - conceptualization of the subtle body

(noun)

Nominative, neuter, singular of ātivāhika-kalpana

ātivāhika-kalpana - conception or imagination of the subtle body, relating to the passing over of the soul

Compound type : tatpuruṣa (ātivāhika+kalpana)

• ātivāhika – subtle (body), relating to the passage or conveyance of the soul
  adjective (neuter)
  From ativāha (passing over, conveyance) + ika (suffix)
• kalpana – imagination, conception, creation, formation, mental construct
  noun (feminine)
  From root kḷp (to arrange, devise, invent)
  Root: kḷp (class 10)

Note: Predicate nominative.