योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-15, verse-45

सर्वैषणाविमुक्तेन स्वात्मनात्मनि तिष्ठता ।
कुरु कर्माणि कार्याणि नूनं देहस्य संस्थितिः ॥ ४५ ॥

sarvaiṣaṇāvimuktena svātmanātmani tiṣṭhatā ,
kuru karmāṇi kāryāṇi nūnaṃ dehasya saṃsthitiḥ 45

45. sarvaiṣaṇāvimuktena svātmanā ātmani tiṣṭhatā |
kuru karmāṇi kāryāṇi nūnam dehasya saṃsthitiḥ ||

45. sarvaiṣaṇāvimuktena svātmanā ātmani tiṣṭhatā,
kāryāṇi karmāṇi kuru nūnam dehasya saṃsthitiḥ (asti)

45. O you, by your (purified) self, remaining in your (higher) Self (ātman), and being liberated from all desires (eṣaṇā), perform the actions (karma) that are to be done. Indeed, this ensures the sustenance (saṃsthiti) of the body.

Words meanings summery:

• सर्वैषणाविमुक्तेन (sarvaiṣaṇāvimuktena) - by one liberated from all desires (eṣaṇā)

• स्वात्मना (svātmanā) - by one's purified intellect or individual self (by one's own self (ātman))

• आत्मनि (ātmani) - in the Supreme Self or the higher individual Self (in the Self (ātman))

• तिष्ठता (tiṣṭhatā) - by one abiding, by remaining

• कुरु (kuru) - perform, do (imperative)

• कर्माणि (karmāṇi) - actions, deeds, duties (karma)

• कार्याणि (kāryāṇi) - which are to be done, duties

• नूनम् (nūnam) - certainly, indeed, surely

• देहस्य (dehasya) - of the body

• संस्थितिः (saṁsthitiḥ) - sustenance, establishment, existence

Words meanings and morphology

सर्वैषणाविमुक्तेन (sarvaiṣaṇāvimuktena) - by one liberated from all desires (eṣaṇā)

(adjective)

Instrumental, masculine, singular of sarvaiṣaṇāvimukta

sarvaiṣaṇāvimukta - liberated from all desires

Compound type : bahuvrihi (sarva+eṣaṇā+vimukta)

• sarva – all, every, whole
  adjective (masculine)
• eṣaṇā – desire, seeking, wish
  noun (feminine)
  Root: eṣ
• vimukta – liberated, released, freed
  adjective (masculine)
  Past Passive Participle
  derived from root muc (to release) with prefix vi
  Prefix: vi
  Root: muc (class 6)

Note: Modifies the implicit agent (you) of the verb 'kuru' and also 'tiṣṭhatā'

स्वात्मना (svātmanā) - by one's purified intellect or individual self (by one's own self (ātman))

(noun)

Instrumental, masculine, singular of svātman

svātman - one's own Self (ātman)

Compound type : tatpurusha (sva+ātman)

• sva – own, one's own
  pronoun (masculine)
• ātman – Self, soul, essence, individual soul, supreme soul
  noun (masculine)
  Root: an

Note: Refers to the purified intellect/mind of the individual

आत्मनि (ātmani) - in the Supreme Self or the higher individual Self (in the Self (ātman))

(noun)

Locative, masculine, singular of ātman

ātman - Self, soul, essence, individual soul, supreme soul

Root: an

तिष्ठता (tiṣṭhatā) - by one abiding, by remaining

(adjective)

Instrumental, masculine, singular of tiṣṭhat

tiṣṭhat - standing, remaining, abiding

Present Active Participle

derived from root sthā (to stand), active voice

Root: sthā (class 1)

Note: Modifies the implicit agent (you)

कुरु (kuru) - perform, do (imperative)

(verb)

2nd person , singular, active, imperative (lot) of kṛ

present imperative, active voice, 2nd person singular

Root: kṛ (class 8)

Note: Addressed to the listener

कर्माणि (karmāṇi) - actions, deeds, duties (karma)

(noun)

Accusative, neuter, plural of karma

karma - action, deed, work, duty

Root: kṛ

Note: Object of 'kuru'

कार्याणि (kāryāṇi) - which are to be done, duties

(adjective)

Accusative, neuter, plural of kārya

kārya - to be done, to be made, duty, task

Gerundive

derived from root kṛ

Root: kṛ (class 8)

Note: Modifies 'karmāṇi'

नूनम् (nūnam) - certainly, indeed, surely

(indeclinable)

देहस्य (dehasya) - of the body

(noun)

Genitive, masculine, singular of deha

deha - body, corporeal frame

Root: dih

Note: Possessive case

संस्थितिः (saṁsthitiḥ) - sustenance, establishment, existence

(noun)

Nominative, feminine, singular of saṃsthiti

saṁsthiti - standing firm, establishment, continuance, sustenance, existence

derived from root sthā (to stand) with prefix sam

Prefix: sam

Root: sthā (class 1)

Note: Subject of an implied 'asti' (is)