योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-45, verse-29

संकल्पार्थपरित्यागाद्दिनानुदिनमातता ।
शुद्धस्वभावविश्रान्तिः परमार्थाप्तिरुच्यते ॥ २९ ॥

saṃkalpārthaparityāgāddinānudinamātatā ,
śuddhasvabhāvaviśrāntiḥ paramārthāptirucyate 29

29. saṃkalpārthaparityāgāt dinānudinam ātatā
śuddhasvabhāvaviśrāntiḥ paramārthāptiḥ ucyate

29. saṃkalpārthaparityāgāt dinānudinam ātatā
śuddhasvabhāvaviśrāntiḥ paramārthāptiḥ ucyate

29. The attainment of ultimate reality (paramārtha) is described as the repose in one's pure intrinsic nature (dharma) which, expanding day by day from the renunciation of all objects of will (saṃkalpa), becomes pervasive.

Words meanings summery:

• संकल्पार्थपरित्यागात् (saṁkalpārthaparityāgāt) - from the abandonment of objects of will/intention/desire

• दिनानुदिनम् (dinānudinam) - day by day, daily

• आतता (ātatā) - extended, pervading, spread out, intensified, increasing

• शुद्धस्वभावविश्रान्तिः (śuddhasvabhāvaviśrāntiḥ) - repose in one's pure intrinsic nature, rest in pure self-nature

• परमार्थाप्तिः (paramārthāptiḥ) - attainment of ultimate reality/supreme truth

• उच्यते (ucyate) - is called, is said, is declared

Words meanings and morphology

संकल्पार्थपरित्यागात् (saṁkalpārthaparityāgāt) - from the abandonment of objects of will/intention/desire

(noun)

Ablative, masculine, singular of saṃkalpārthaparityāga

saṁkalpārthaparityāga - abandonment of the objects of will/resolve/desire

Compound type : tatpurusha (saṃkalpa+artha+parityāga)

• saṃkalpa – will, intention, resolve, desire (saṃkalpa)
  noun (masculine)
  Prefix: sam
  Root: kḷp (class 1)
• artha – object, purpose, meaning, thing
  noun (masculine)
• parityāga – abandonment, renunciation, giving up
  noun (masculine)
  Prefix: pari
  Root: tyaj (class 1)

दिनानुदिनम् (dinānudinam) - day by day, daily

(indeclinable)

Compound type : avyayibhava (dina+anudin)

• dina – day
  noun (neuter)
• anu – after, along, according to
  indeclinable

Note: Often understood as an adverbial compound 'day after day'.

आतता (ātatā) - extended, pervading, spread out, intensified, increasing

(adjective)

Nominative, feminine, singular of ātata

ātata - extended, stretched, pervading, continuous, intensified

Past Passive Participle

Prefix: ā

Root: tan (class 8)

Note: Modifies 'śuddhasvabhāvaviśrāntiḥ'.

शुद्धस्वभावविश्रान्तिः (śuddhasvabhāvaviśrāntiḥ) - repose in one's pure intrinsic nature, rest in pure self-nature

(noun)

Nominative, feminine, singular of śuddhasvabhāvaviśrānti

śuddhasvabhāvaviśrānti - rest or repose in pure intrinsic nature

Compound type : tatpurusha (śuddha+svabhāva+viśrānti)

• śuddha – pure, clean, clear
  adjective
  Past Passive Participle
  Root: śudh (class 4)
• svabhāva – one's own nature, intrinsic nature (dharma), innate disposition
  noun (masculine)
• viśrānti – rest, repose, tranquility, cessation, deep peace
  noun (feminine)
  Prefix: vi
  Root: śram (class 4)

परमार्थाप्तिः (paramārthāptiḥ) - attainment of ultimate reality/supreme truth

(noun)

Nominative, feminine, singular of paramārthāpti

paramārthāpti - attainment of the ultimate reality or supreme purpose

Compound type : tatpurusha (paramārtha+āpti)

• paramārtha – ultimate reality, supreme truth, highest aim (paramārtha)
  noun (masculine)
• āpti – attainment, acquisition, reaching
  noun (feminine)
  Root: āp

उच्यते (ucyate) - is called, is said, is declared

(verb)

3rd person , singular, passive, present indicative (laṭ) of vac

Root: vac (class 2)