योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-78, verse-21

क्षेपणैरिव पाषाणः प्रेर्यते बुद्धिनिश्चयैः ।
बुद्धिर्निश्चयरूपैवं जडा सत्तैव निश्चयः ॥ २१ ॥

kṣepaṇairiva pāṣāṇaḥ preryate buddhiniścayaiḥ ,
buddhirniścayarūpaivaṃ jaḍā sattaiva niścayaḥ 21

21. kṣepaṇaiḥ iva pāṣāṇaḥ preryate buddhiniścayaiḥ
buddhiḥ niścayarūpā evam jaḍā sattā eva niścayaḥ

21. pāṣāṇaḥ kṣepaṇaiḥ iva buddhiniścayaiḥ preryate.
Niścayarūpā buddhiḥ evam jaḍā.
Sattā eva niścayaḥ.

21. A stone is propelled by throws, just as the intellect (buddhi) is impelled by its own resolves. The intellect (buddhi), whose very form is determination, is essentially inert. True existence itself is this determination.

Words meanings summery:

• क्षेपणैः (kṣepaṇaiḥ) - by throws, by projections, by impulses

• इव (iva) - like, as, as if

• पाषाणः (pāṣāṇaḥ) - a stone, a rock

• प्रेर्यते (preryate) - is impelled, is propelled, is moved

• बुद्धिनिश्चयैः (buddhiniścayaiḥ) - by the determinations of one's own intellect (buddhi) (by the determinations of the intellect, by mental resolves)

• बुद्धिः (buddhiḥ) - the intellect, understanding

• निश्चयरूपा (niścayarūpā) - having the form of determination, whose nature is resolve

• एवम् (evam) - thus, in this way, so

• जडा (jaḍā) - inert, unconscious, dull, foolish

• सत्ता (sattā) - existence, being, reality

• एव (eva) - only, alone, indeed, merely

• निश्चयः (niścayaḥ) - determination, resolve, certainty

Words meanings and morphology

क्षेपणैः (kṣepaṇaiḥ) - by throws, by projections, by impulses

(noun)

Instrumental, neuter, plural of kṣepaṇa

kṣepaṇa - throwing, casting, shooting; a missile; sending; moving, stirring

Derived from root kṣip- (to throw) + -ana suffix

Root: kṣip (class 6)

इव (iva) - like, as, as if

(indeclinable)

पाषाणः (pāṣāṇaḥ) - a stone, a rock

(noun)

Nominative, masculine, singular of pāṣāṇa

pāṣāṇa - a stone, rock, jewel

प्रेर्यते (preryate) - is impelled, is propelled, is moved

(verb)

3rd person , singular, passive, present (laṭ) of īr

present passive

Root 'īr' (to move) with prefix 'pra'. Present passive ātmanepada, 3rd person singular.

Prefix: pra

Root: īr (class 1)

बुद्धिनिश्चयैः (buddhiniścayaiḥ) - by the determinations of one's own intellect (buddhi) (by the determinations of the intellect, by mental resolves)

(noun)

Instrumental, masculine, plural of buddhiniścaya

buddhiniścaya - determination of the intellect (buddhi), mental resolve

Compound type : tatpuruṣa (buddhi+niścaya)

• buddhi – intellect, reason, understanding, perception, mind
  noun (feminine)
  From root 'budh' (to know)
  Root: budh (class 1)
• niścaya – determination, resolve, certainty, ascertainment
  noun (masculine)
  From prefix nis- + root ci- (to gather, observe)
  Prefix: nis
  Root: ci (class 5)

बुद्धिः (buddhiḥ) - the intellect, understanding

(noun)

Nominative, feminine, singular of buddhi

buddhi - intellect, reason, understanding, perception, mind

From root 'budh' (to know)

Root: budh (class 1)

निश्चयरूपा (niścayarūpā) - having the form of determination, whose nature is resolve

(adjective)

Nominative, feminine, singular of niścayarūpa

niścayarūpa - having the form or nature of determination/resolve

Compound type : bahuvrīhi (niścaya+rūpa)

• niścaya – determination, resolve, certainty
  noun (masculine)
  From prefix nis- + root ci- (to gather, observe)
  Prefix: nis
  Root: ci (class 5)
• rūpa – form, shape, nature, appearance
  noun (neuter)

Note: Agrees with 'buddhiḥ'.

एवम् (evam) - thus, in this way, so

(indeclinable)

जडा (jaḍā) - inert, unconscious, dull, foolish

(adjective)

Nominative, feminine, singular of jaḍa

jaḍa - cold, stiff, inert, inanimate, unconscious, dull, stupid, foolish

Note: Agrees with 'buddhiḥ'.

सत्ता (sattā) - existence, being, reality

(noun)

Nominative, feminine, singular of sattā

sattā - existence, being, reality, essence

Derived from root 'as' (to be) + -tā suffix

Root: as (class 2)

एव (eva) - only, alone, indeed, merely

(indeclinable)

Note: Emphasizing particle.

निश्चयः (niścayaḥ) - determination, resolve, certainty

(noun)

Nominative, masculine, singular of niścaya

niścaya - determination, resolve, certainty, ascertainment

From prefix nis- + root ci- (to gather, observe)

Prefix: nis

Root: ci (class 5)