योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-94, verse-17

निश्चयात्मा निराकारो बुद्धिरित्येव सोच्यते ।
अस्य बुद्ध्यभिधानस्य याङ्कुरस्य प्रपीनता ॥ १७ ॥

niścayātmā nirākāro buddhirityeva socyate ,
asya buddhyabhidhānasya yāṅkurasya prapīnatā 17

17. niścaya-ātmā nirākāraḥ buddhiḥ iti eva saḥ ucyate
asya buddhi-abhidhānasya yā aṅkurasya prapīnatā

17. niścaya-ātmā nirākāraḥ saḥ buddhiḥ iti eva ucyate
asya buddhi-abhidhānasya aṅkurasya yā prapīnatā

17. That which is resolute in nature (niścaya) and formless is indeed called intellect (buddhi). This intellect, so named, is the abundant growth (prapīnatā) of the sprout.

Words meanings summery:

• निश्चय-आत्मा (niścaya-ātmā) - whose nature is determination, resolute

• निराकारः (nirākāraḥ) - formless, shapeless

• बुद्धिः (buddhiḥ) - intellect, understanding, reason

• इति (iti) - thus, in this manner, so called

• एव (eva) - indeed, just, only

• सः (saḥ) - he, that, it

• उच्यते (ucyate) - is said, is called

• अस्य (asya) - of this, its

• बुद्धि-अभिधानस्य (buddhi-abhidhānasya) - of the one named 'intellect', of the appellation 'intellect'

• या (yā) - which, that (feminine singular nominative)

• अङ्कुरस्य (aṅkurasya) - of the sprout

• प्रपीनता (prapīnatā) - fullness, abundance, plumpness, growth

Words meanings and morphology

निश्चय-आत्मा (niścaya-ātmā) - whose nature is determination, resolute

(adjective)

Nominative, masculine, singular of niścaya-ātman

niścaya-ātman - of resolute nature, whose essence is determination

Compound, nominative singular masculine form.

Compound type : bahuvrīhi (niścaya+ātman)

• niścaya – determination, certainty, resolution, conclusion
  noun (masculine)
  From root `ci` (to gather) with prefix `nis`.
  Prefix: nis
  Root: ci (class 5)
• ātman – self, soul, spirit, essence, nature
  noun (masculine)
  Root: an (class 2)

Note: Qualifies the implied subject, `buddhi`.

निराकारः (nirākāraḥ) - formless, shapeless

(adjective)

Nominative, masculine, singular of nirākāra

nirākāra - formless, shapeless, incorporeal

Compound.

Compound type : bahuvrīhi (nis+ākāra)

• nis – without, out, away
  prefix
• ākāra – form, shape, appearance, aspect
  noun (masculine)
  From root `kṛ` (to make) with prefix `ā`.
  Prefix: ā
  Root: kṛ (class 8)

Note: Qualifies the implied subject, `buddhi`.

बुद्धिः (buddhiḥ) - intellect, understanding, reason

(noun)

Nominative, feminine, singular of buddhi

buddhi - intellect, understanding, perception, reason, wisdom

From root `budh` (to know, perceive).

Root: budh (class 1)

Note: The predicate nominative in the first clause.

इति (iti) - thus, in this manner, so called

(indeclinable)

एव (eva) - indeed, just, only

(indeclinable)

Emphatic particle.

सः (saḥ) - he, that, it

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

Masculine singular nominative form of `tad`.

उच्यते (ucyate) - is said, is called

(verb)

3rd person , singular, passive, present (lat) of vac

Present passive 3rd person singular.

Passive form of root `vac`.

Root: vac (class 2)

अस्य (asya) - of this, its

(pronoun)

Genitive, masculine, singular of idam

idam - this, that

Genitive singular masculine/neuter form of `idam`.

बुद्धि-अभिधानस्य (buddhi-abhidhānasya) - of the one named 'intellect', of the appellation 'intellect'

(noun)

Genitive, neuter, singular of buddhi-abhidhāna

buddhi-abhidhāna - the name 'intellect', the appellation 'intellect'

Compound. Genitive singular neuter form.

Compound type : tatpuruṣa (buddhi+abhidhāna)

• buddhi – intellect, understanding, reason
  noun (feminine)
  Root: budh (class 1)
• abhidhāna – name, appellation, statement
  noun (neuter)
  From root `dhā` (to place) with prefix `abhi` (towards, upon).
  Prefix: abhi
  Root: dhā (class 3)

Note: Used as a substantive, 'of that which is called intellect'.

या (yā) - which, that (feminine singular nominative)

(pronoun)

Nominative, feminine, singular of yad

yad - who, which, that (relative pronoun)

Feminine singular nominative form of `yad`.

Note: Acts as a relative pronoun for `prapīnatā`.

अङ्कुरस्य (aṅkurasya) - of the sprout

(noun)

Genitive, masculine, singular of aṅkura

aṅkura - sprout, shoot, bud, germ

Root: kṛ (class 8)

Note: Qualifies `prapīnatā`.

प्रपीनता (prapīnatā) - fullness, abundance, plumpness, growth

(noun)

Nominative, feminine, singular of prapīnatā

prapīnatā - fullness, plumpness, abundance, growth, prosperity

From `prapīna` (full, fat, stout) with suffix `tā` (abstract noun). `prapīna` from root `pyāy` (to swell, grow) with prefix `pra`.

Root: pyāy (class 1)

Note: The subject of the second clause, with an implied verb 'is'.