योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-53, verse-9

कायेन मनसा बुद्ध्या केवलैरिन्द्रियैरपि ।
योगिनः कर्म कुर्वन्ति सङ्गं त्यक्त्वात्मशुद्धये ॥ ९ ॥

kāyena manasā buddhyā kevalairindriyairapi ,
yoginaḥ karma kurvanti saṅgaṃ tyaktvātmaśuddhaye 9

9. kāyena manasā buddhyā kevalaiḥ indriyaiḥ api |
yoginaḥ karma kurvanti saṅgam tyaktvā ātmaśuddhaye ||

9. yoginaḥ saṅgam tyaktvā ātmaśuddhaye kāyena manasā buddhyā kevalaiḥ indriyaiḥ api karma kurvanti.

9. Having abandoned attachment, practitioners of yoga (yoginaḥ) perform actions with their body, mind, intellect, and even with their mere senses, for the purification of the self (ātman).

Words meanings summery:

• कायेन (kāyena) - by the body

• मनसा (manasā) - by the mind

• बुद्ध्या (buddhyā) - by the intellect

• केवलैः (kevalaiḥ) - by the mere, by the pure

• इन्द्रियैः (indriyaiḥ) - by the senses

• अपि (api) - also, even

• योगिनः (yoginaḥ) - practitioners of yoga (yoga), yogis

• कर्म (karma) - action (karma), deed, work

• कुर्वन्ति (kurvanti) - they do, they perform

• सङ्गम् (saṅgam) - attachment, association

• त्यक्त्वा (tyaktvā) - having abandoned, having given up

• आत्मशुद्धये (ātmaśuddhaye) - for the purification of the self (ātman)

Words meanings and morphology

कायेन (kāyena) - by the body

(noun)

Instrumental, masculine, singular of kāya

kāya - body, physical form, collection

मनसा (manasā) - by the mind

(noun)

Instrumental, neuter, singular of manas

manas - mind, intellect, understanding

बुद्ध्या (buddhyā) - by the intellect

(noun)

Instrumental, feminine, singular of buddhi

buddhi - intellect, understanding, discernment, perception

Derived from root budh- (to know, perceive).

Root: budh (class 1)

केवलैः (kevalaiḥ) - by the mere, by the pure

(adjective)

Instrumental, masculine, plural of kevala

kevala - alone, solitary, pure, mere, absolute

Note: Agrees with 'indriyaiḥ'.

इन्द्रियैः (indriyaiḥ) - by the senses

(noun)

Instrumental, neuter, plural of indriya

indriya - sense organ (of perception or action)

Related to Indra, meaning 'belonging to or fit for Indra'.

अपि (api) - also, even

(indeclinable)

योगिनः (yoginaḥ) - practitioners of yoga (yoga), yogis

(noun)

Nominative, masculine, plural of yogin

yogin - yogi, one who practices yoga (yoga), ascetic, practitioner of spiritual discipline

Derived from yoga + -in (possessive suffix).

कर्म (karma) - action (karma), deed, work

(noun)

Accusative, neuter, singular of karman

karman - action (karma), deed, work, ritual, consequence of actions

Derived from root kṛ- (to do).

Root: kṛ (class 8)

कुर्वन्ति (kurvanti) - they do, they perform

(verb)

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

Root: kṛ (class 8)

सङ्गम् (saṅgam) - attachment, association

(noun)

Accusative, masculine, singular of saṅga

saṅga - attachment, adhesion, union, association, contact

Derived from root sañj- (to cling) with prefix sam-.

Prefix: sam

Root: sañj (class 1)

त्यक्त्वा (tyaktvā) - having abandoned, having given up

(indeclinable)

Absolutive (Gerund)

Derived from root tyaj- (to abandon) with suffix -ktvā.

Root: tyaj (class 1)

आत्मशुद्धये (ātmaśuddhaye) - for the purification of the self (ātman)

(noun)

Dative, feminine, singular of ātmaśuddhi

ātmaśuddhi - purification of the self (ātman)

Compound type : tatpuruṣa (ātman+śuddhi)

• ātman – self (ātman), soul, essence, individual soul, supreme soul
  noun (masculine)
• śuddhi – purity, purification, cleanness, rectitude
  noun (feminine)
  Derived from root śudh- (to purify).
  Root: śudh (class 4)