योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-73, verse-31

एष एव चिरं कालं तत्र भावनया तया ।
गृह्णाति निश्चयं पूर्णमाधिभौतिकमात्मनः ॥ ३१ ॥

eṣa eva ciraṃ kālaṃ tatra bhāvanayā tayā ,
gṛhṇāti niścayaṃ pūrṇamādhibhautikamātmanaḥ 31

31. eṣaḥ eva ciram kālam tatra bhāvanayā tayā
gṛhṇāti niścayam pūrṇam ādhibhautikam ātmanaḥ

31. eṣaḥ eva tatra ciram kālam tayā bhāvanayā ātmanaḥ pūrṇam ādhibhautikam niścayam gṛhṇāti.

31. This very [subtle body], there for a long time, through that sustained contemplation (bhāvanā), attains a full and externally-oriented certainty (ādhibhautika) concerning the self (ātman).

Words meanings summery:

• एषः (eṣaḥ) - this subtle body (ātivāhika deha) (this, this one)

• एव (eva) - indeed, only, very

• चिरम् (ciram) - for a long time, for a long duration

• कालम् (kālam) - time, duration

• तत्र (tatra) - there, in that place, in that state

• भावनया (bhāvanayā) - by contemplation, by meditation, by intense thought

• तया (tayā) - by that (specific) contemplation (by that (feminine))

• गृह्णाति (gṛhṇāti) - grasps, takes, acquires, obtains

• निश्चयम् (niścayam) - a firm conviction, an unshakeable belief (certainty, conviction, firm resolve)

• पूर्णम् (pūrṇam) - full, complete, perfect

• आधिभौतिकम् (ādhibhautikam) - focused on the physical world, or perceiving oneself as physical (pertaining to elemental beings, material, external)

• आत्मनः (ātmanaḥ) - of the self, concerning the self

Words meanings and morphology

एषः (eṣaḥ) - this subtle body (ātivāhika deha) (this, this one)

(pronoun)

Nominative, masculine, singular of etad

etad - this, this one

Demonstrative pronoun

Note: Subject of gṛhṇāti.

एव (eva) - indeed, only, very

(indeclinable)

चिरम् (ciram) - for a long time, for a long duration

(indeclinable)

Accusative singular neuter of cira, used adverbially.

Note: Adverbial use.

कालम् (kālam) - time, duration

(noun)

Accusative, masculine, singular of kāla

kāla - time, period, duration

Note: Adverbial use with ciram.

तत्र (tatra) - there, in that place, in that state

(indeclinable)

From tad + tra suffix

भावनया (bhāvanayā) - by contemplation, by meditation, by intense thought

(noun)

Instrumental, feminine, singular of bhāvanā

bhāvanā - contemplation, meditation, imagination, strong impression, cultivation

From causative stem of bhū (to be, become) + ana suffix

Root: bhū (class 1)

Note: Means by means of contemplation.

तया (tayā) - by that (specific) contemplation (by that (feminine))

(pronoun)

Instrumental, feminine, singular of tad

tad - that, she, it

Demonstrative pronoun

गृह्णाति (gṛhṇāti) - grasps, takes, acquires, obtains

(verb)

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

Present Tense, 3rd person singular, active voice

From root grah (class 9)

Root: grah (class 9)

निश्चयम् (niścayam) - a firm conviction, an unshakeable belief (certainty, conviction, firm resolve)

(noun)

Accusative, masculine, singular of niścaya

niścaya - certainty, conviction, determination, conclusion

From nis + ci (to collect, ascertain) + a suffix.

Prefix: nis

Root: ci (class 5)

पूर्णम् (pūrṇam) - full, complete, perfect

(adjective)

Accusative, masculine, singular of pūrṇa

pūrṇa - full, complete, perfect, filled

Past Passive Participle

From root pṛ (to fill)

Root: pṛ (class 9)

आधिभौतिकम् (ādhibhautikam) - focused on the physical world, or perceiving oneself as physical (pertaining to elemental beings, material, external)

(adjective)

Accusative, masculine, singular of ādhibhautika

ādhibhautika - pertaining to elemental beings, relating to the physical world, material, external, worldly

From adhi + bhūta + ika suffix.

आत्मनः (ātmanaḥ) - of the self, concerning the self

(noun)

Genitive, masculine, singular of ātman

ātman - self, soul, spirit, essence (ātman)

n-stem masculine noun

Root: an (class 2)

Note: Related to niścayam, "conviction of the self".