योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-67, verse-30

आतिवाहिकदेहोऽयं शुद्धचिद्व्योम केवलम् ।
आधिभौतिकतामेति भावनाभ्यासयोगतः ॥ ३० ॥

ātivāhikadeho'yaṃ śuddhacidvyoma kevalam ,
ādhibhautikatāmeti bhāvanābhyāsayogataḥ 30

30. ātivāhikadehaḥ ayam śuddhacidvyoma kevalam
ādhibhautikatām eti bhāvanābhyāsayogataḥ

30. ayam ātivāhikadehaḥ kevalam śuddhacidvyoma (san) bhāvanābhyāsayogataḥ ādhibhautikatām eti.

30. This subtle, transmigrating body (ātivāhikadeha), which is purely the space of consciousness, acquires gross materiality (ādhibhautikatā) through the combination of focused contemplation (bhāvanā) and persistent habit (abhyāsa).

Words meanings summery:

• आतिवाहिकदेहः (ātivāhikadehaḥ) - subtle body, transmigrating body

• अयम् (ayam) - this, he

• शुद्धचिद्व्योम (śuddhacidvyoma) - pure consciousness-space

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

• आधिभौतिकताम् (ādhibhautikatām) - gross materiality, state of being related to material elements

• एति (eti) - goes, reaches, attains

• भावनाभ्यासयोगतः (bhāvanābhyāsayogataḥ) - due to the combination of contemplation/imagination and practice/habit

Words meanings and morphology

आतिवाहिकदेहः (ātivāhikadehaḥ) - subtle body, transmigrating body

(noun)

Nominative, masculine, singular of ātivāhikadeha

ātivāhikadeha - subtle body, transmigrating body (the subtle vehicle for the soul's transmigration)

Compound type : tatpuruṣa (ātivāhika+deha)

• ātivāhika – subtle, transmigratory, conveying over
  adjective (masculine)
  Derived from `ati` + `vah` (to carry) + `ika`.
  Prefix: ati
  Root: vah (class 1)
• deha – body
  noun (masculine)
  Root: dih (class 4)

अयम् (ayam) - this, he

(pronoun)

Nominative, masculine, singular of idam

idam - this, this one

Note: Agrees with `ātivāhikadehaḥ`.

शुद्धचिद्व्योम (śuddhacidvyoma) - pure consciousness-space

(noun)

Nominative, neuter, singular of śuddhacidvyoma

śuddhacidvyoma - pure consciousness-space/ether

Compound type : karmadhāraya (śuddha+cit+vyoman)

• śuddha – pure, clean, clear
  adjective (neuter)
  Past Passive Participle
  From root `śudh`.
  Root: śudh (class 4)
• cit – consciousness, intelligence, thought
  noun (feminine)
  Root: cit (class 1)
• vyoman – sky, space, ether
  noun (neuter)
  From `vi` + root `yu` (to mix) + `man` suffix.
  Prefix: vi

Note: Predicate nominative, referring to `ātivāhikadehaḥ`.

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

(adjective)

Nominative, neuter, singular of kevala

kevala - alone, solitary, mere, pure, whole

Note: Agrees with `śuddhacidvyoma` as an adjective, or functions adverbially 'purely'.

आधिभौतिकताम् (ādhibhautikatām) - gross materiality, state of being related to material elements

(noun)

Accusative, feminine, singular of ādhibhautikatā

ādhibhautikatā - gross materiality, condition pertaining to the material elements

Derived from `adhibhūta` (pertaining to elements) with suffixes `ika` and `tā`.

Prefix: adhi

Root: bhū (class 1)

Note: Object of `eti`.

एति (eti) - goes, reaches, attains

(verb)

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

Present Active Indicative

Root class 2, Parasmaipada.

Root: i (class 2)

भावनाभ्यासयोगतः (bhāvanābhyāsayogataḥ) - due to the combination of contemplation/imagination and practice/habit

(indeclinable)

Compound type : tatpuruṣa (bhāvanā+abhyāsa+yoga)

• bhāvanā – contemplation, imagination, mental cultivation, causing to be
  noun (feminine)
  From causative of root `bhū`.
  Root: bhū (class 1)
• abhyāsa – practice, repetition, habit
  noun (masculine)
  Derived from `abhi` + `ā` + `as` (to throw, reach) meaning 'to repeat, practice'.
  Prefixes: abhi+ā
  Root: as (class 2)
• yoga – union, conjunction, means, method (yoga)
  noun (masculine)
  Root: yuj (class 7)

Note: Ablative suffix `tas`.