योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-33, verse-29

अद्वित्ववेदनाद्वित्वमात्मनोऽपि निवर्तते ।
न करोमीति संकल्पात्पुरुषस्येव कर्तृता ॥ २९ ॥

advitvavedanādvitvamātmano'pi nivartate ,
na karomīti saṃkalpātpuruṣasyeva kartṛtā 29

29. advitvavedanāt dvitvam ātmanaḥ api nivartate
na karomi iti saṃkalpāt puruṣasya iva kartṛtā

29. advitvavedanāt ātmanaḥ api dvitvam nivartate
puruṣasya na karomi iti saṃkalpāt kartṛtā iva

29. Just as the quality of doership ceases for a person from the resolve (saṃkalpa), "I do nothing," similarly, duality (dvitva) ceases even for the self (ātman) through the understanding of non-duality.

Words meanings summery:

• अद्वित्ववेदनात् (advitvavedanāt) - from the knowledge of non-duality, from the understanding of oneness

• द्वित्वम् (dvitvam) - duality, twoness

• आत्मनः (ātmanaḥ) - of the self (ātman), of the soul

• अपि (api) - also, even

• निवर्तते (nivartate) - ceases, turns back, disappears, comes to an end

• न (na) - not, no

• करोमि (karomi) - I do, I make

• इति (iti) - thus, so, indicating direct speech or thought

• संकल्पात् (saṁkalpāt) - from the resolve, from the intention, from the mental concept

• पुरुषस्य (puruṣasya) - of a person, of a man, of the supreme cosmic person (puruṣa)

• इव (iva) - like, as, as if

• कर्तृता (kartṛtā) - doership, agency, the state of being a doer

Words meanings and morphology

अद्वित्ववेदनात् (advitvavedanāt) - from the knowledge of non-duality, from the understanding of oneness

(noun)

Ablative, neuter, singular of advitvavedana

advitvavedana - the knowledge or understanding of non-duality

Compound type : tatpurusha (aditva+vedana)

• aditva – non-duality, oneness
  noun (neuter)
• vedana – knowledge, perception, understanding
  noun (neuter)
  Root: vid (class 1)

द्वित्वम् (dvitvam) - duality, twoness

(noun)

Nominative, neuter, singular of dvitva

dvitva - duality, twoness, being two

आत्मनः (ātmanaḥ) - of the self (ātman), of the soul

(noun)

Genitive, masculine, singular of ātman

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

अपि (api) - also, even

(indeclinable)

निवर्तते (nivartate) - ceases, turns back, disappears, comes to an end

(verb)

3rd person , singular, middle, present (laṭ) of nivart

Prefix: ni

Root: vṛt (class 1)

न (na) - not, no

(indeclinable)

करोमि (karomi) - I do, I make

(verb)

1st person , singular, active, present (laṭ) of kṛ

Root: kṛ (class 8)

इति (iti) - thus, so, indicating direct speech or thought

(indeclinable)

संकल्पात् (saṁkalpāt) - from the resolve, from the intention, from the mental concept

(noun)

Ablative, masculine, singular of saṃkalpa

saṁkalpa - intention, resolve, will, imagination, mental concept (saṃkalpa)

Prefix: sam

Root: kḷp (class 1)

पुरुषस्य (puruṣasya) - of a person, of a man, of the supreme cosmic person (puruṣa)

(noun)

Genitive, masculine, singular of puruṣa

puruṣa - man, person, human being, the supreme cosmic person (puruṣa)

इव (iva) - like, as, as if

(indeclinable)

कर्तृता (kartṛtā) - doership, agency, the state of being a doer

(noun)

Nominative, feminine, singular of kartṛtā

kartṛtā - doership, agency, the state of being a doer

formed from kartṛ (doer) + tā (suffix for abstract noun)