योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-175, verse-45

विश्रान्तं यस्य वै चित्तं जन्तोस्तत्परमार्थसत् ।
व्यवहृत्यै करोत्यन्यत्सदाचारादतद्रसम् ॥ ४५ ॥

viśrāntaṃ yasya vai cittaṃ jantostatparamārthasat ,
vyavahṛtyai karotyanyatsadācārādatadrasam 45

45. viśrāntam yasya vai cittam jantoḥ tat paramārtha-sat
vyavahṛtyai karoti anyat sadācārāt atad-rasam

45. yasya jantoḥ cittaṃ vai viśrāntam,
tat paramārtha-sat.
(saḥ) vyavahṛtyai sadācārāt anyat karoti,
(yat) atad-rasam (asti).

45. For that living being (jantu) whose mind (citta) is truly at rest, that (mind/state) is the supreme reality (paramārtha-sat). For the sake of practical life (vyavahṛti), he performs other things out of proper conduct (sadācāra), even if they are devoid of that (supreme) essence.

Words meanings summery:

• विश्रान्तम् (viśrāntam) - at rest, reposed, tranquil

• यस्य (yasya) - whose, of which

• वै (vai) - indeed, truly, certainly (an emphatic particle)

• चित्तम् (cittam) - mind, consciousness

• जन्तोः (jantoḥ) - of a creature, of a living being

• तत् (tat) - that (mind/state)

• परमार्थ-सत् (paramārtha-sat) - the supreme reality, truly existing in the highest sense

• व्यवहृत्यै (vyavahṛtyai) - for practical life, for worldly activity, for dealings

• करोति (karoti) - he does, he performs, he makes

• अन्यत् (anyat) - other, another (thing)

• सदाचारात् (sadācārāt) - due to proper conduct, from good behavior

• अतद्-रसम् (atad-rasam) - devoid of that essence, not having that (supreme) taste

Words meanings and morphology

विश्रान्तम् (viśrāntam) - at rest, reposed, tranquil

(adjective)

Nominative, neuter, singular of viśrānta

viśrānta - rested, reposed, calm, tranquil, ceased

Past Passive Participle

Derived from root 'śram' (to be weary) with prefix 'vi' (intensity, separation)

Prefix: vi

Root: śram (class 4)

यस्य (yasya) - whose, of which

(pronoun)

Genitive, masculine, singular of yad

yad - which, what, whoever

Note: Refers to 'jantoḥ'.

वै (vai) - indeed, truly, certainly (an emphatic particle)

(indeclinable)

an emphatic particle

चित्तम् (cittam) - mind, consciousness

(noun)

Nominative, neuter, singular of citta

citta - mind, thought, intellect, consciousness

Past Passive Participle

Derived from root 'cit' (to perceive, to be aware)

Root: cit (class 1)

जन्तोः (jantoḥ) - of a creature, of a living being

(noun)

Genitive, masculine, singular of jantu

jantu - creature, living being, man

Root: jan (class 4)

Note: Possessive, "of the creature".

तत् (tat) - that (mind/state)

(pronoun)

Nominative, neuter, singular of tad

tad - that, it, he, she

Note: Subject of implied 'is'.

परमार्थ-सत् (paramārtha-sat) - the supreme reality, truly existing in the highest sense

(noun)

Nominative, neuter, singular of paramārtha-sat

paramārtha-sat - the highest truth, ultimate reality, truly existing

Compound type : tatpuruṣa (parama+artha+sat)

• parama – highest, supreme, ultimate
  adjective (neuter)
• artha – purpose, meaning, wealth, object, reality
  noun (masculine)
  Root: arth (class 10)
• sat – existent, true, real, good
  adjective (neuter)
  Present Active Participle
  Derived from root 'as' (to be)
  Root: as (class 2)

Note: Predicate nominative.

व्यवहृत्यै (vyavahṛtyai) - for practical life, for worldly activity, for dealings

(noun)

Dative, feminine, singular of vyavahṛti

vyavahṛti - practical life, worldly activity, usage, dealing

Prefixes: vi+ava

Root: hṛ (class 1)

करोति (karoti) - he does, he performs, he makes

(verb)

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

present active 3rd person singular

Root: kṛ (class 8)

अन्यत् (anyat) - other, another (thing)

(pronoun)

Accusative, neuter, singular of anya

anya - other, another, different

सदाचारात् (sadācārāt) - due to proper conduct, from good behavior

(noun)

Ablative, masculine, singular of sadācāra

sadācāra - good conduct, virtuous practice, proper behavior

Compound type : karmadhāraya (sat+ācāra)

• sat – good, proper, virtuous
  adjective (masculine)
  Present Active Participle
  Derived from root 'as' (to be)
  Root: as (class 2)
• ācāra – conduct, custom, practice, behavior
  noun (masculine)
  Prefix: ā
  Root: car (class 1)

अतद्-रसम् (atad-rasam) - devoid of that essence, not having that (supreme) taste

(adjective)

Accusative, neuter, singular of atad-rasa

atad-rasa - not having that taste/essence, devoid of that (supreme) delight

Compound type : bahuvrīhi (a+tad+rasa)

• a – not, non-
  indeclinable
  negative prefix
• tad – that
  pronoun (neuter)
• rasa – taste, essence, juice, delight
  noun (masculine)
  Root: ras (class 1)