योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-21, verse-28

चिन्तनं वृत्तिरित्युक्तं वर्तते चित्तमाशया ।
चित्तवृत्तिमतो ह्याशां त्यक्त्वा निश्चित्ततां व्रज ॥ २८ ॥

cintanaṃ vṛttirityuktaṃ vartate cittamāśayā ,
cittavṛttimato hyāśāṃ tyaktvā niścittatāṃ vraja 28

28. cintanam vṛttiḥ iti uktam vartate cittam āśayā
cittavṛttimataḥ hi āśām tyaktvā niścittatām vraja

28. cintanam vṛttiḥ iti uktam (asti).
cittam āśayā vartate.
hi cittavṛttimataḥ (tvam) āśām tyaktvā niścittatām vraja.

28. Thinking is said to be a mental modification (vṛtti), and the mind (citta) functions through desire (āśā). Therefore, O you who are possessed of mental modifications, abandon desire (āśā) and attain the state of no-mind (niścittatā).

Words meanings summery:

• चिन्तनम् (cintanam) - thinking, thought, reflection

• वृत्तिः (vṛttiḥ) - modification, activity, function

• इति (iti) - thus, so, as

• उक्तम् (uktam) - said, called

• वर्तते (vartate) - exists, functions, proceeds

• चित्तम् (cittam) - mind, thought

• आशया (āśayā) - by desire, by intention

• चित्तवृत्तिमतः (cittavṛttimataḥ) - of one possessing mental modifications, O you who have mental modifications

• हि (hi) - indeed, for, because

• आशाम् (āśām) - desire, hope, expectation

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

• निश्चित्तताम् (niścittatām) - to the state of no-mind, mindlessness

• व्रज (vraja) - go, attain, proceed

Words meanings and morphology

चिन्तनम् (cintanam) - thinking, thought, reflection

(noun)

Nominative, neuter, singular of cintana

cintana - thinking, thought, reflection

Derived from root cint 'to think'

Root: cint (class 10)

वृत्तिः (vṛttiḥ) - modification, activity, function

(noun)

Nominative, feminine, singular of vṛtti

vṛtti - mode of being, modification, activity, function

Derived from root vṛt 'to be, exist'

Root: vṛt (class 1)

इति (iti) - thus, so, as

(indeclinable)

उक्तम् (uktam) - said, called

(adjective)

Nominative, neuter, singular of ukta

ukta - said, spoken, declared, called

Past Passive Participle

Derived from root vac 'to speak'

Root: vac (class 2)

वर्तते (vartate) - exists, functions, proceeds

(verb)

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

present middle

Root: vṛt (class 1)

चित्तम् (cittam) - mind, thought

(noun)

Nominative, neuter, singular of citta

citta - mind, thought, consciousness

Derived from root cit 'to perceive, know'

Root: cit (class 1)

आशया (āśayā) - by desire, by intention

(noun)

Instrumental, feminine, singular of āśā

āśā - desire, hope, expectation

Derived from root āś 'to obtain, reach'

Root: āś (class 5)

चित्तवृत्तिमतः (cittavṛttimataḥ) - of one possessing mental modifications, O you who have mental modifications

(adjective)

Genitive, masculine, singular of cittavṛttimat

cittavṛttimat - possessing mental modifications, having the mind's activities

Formed with suffix -mat 'possessing'

Compound type : bahuvrīhi (cittavṛtti+mat)

• cittavṛtti – mental modification, activity of the mind
  noun (feminine)
• mat – possessing, having, endowed with (suffix)
  suffix (masculine)
  Primary suffix -mat/-vat forming adjectives of possession

हि (hi) - indeed, for, because

(indeclinable)

आशाम् (āśām) - desire, hope, expectation

(noun)

Accusative, feminine, singular of āśā

āśā - desire, hope, expectation

Derived from root āś 'to obtain, reach'

Root: āś (class 5)

त्यक्त्वा (tyaktvā) - having abandoned, having given up

(indeclinable)

absolutive/gerund

Formed from root tyaj with suffix -tvā

Root: tyaj (class 1)

निश्चित्तताम् (niścittatām) - to the state of no-mind, mindlessness

(noun)

Accusative, feminine, singular of niścittatā

niścittatā - state of no-mind, mindlessness, absence of thought

Derived from niścitta with suffix -tā

Compound type : prādi-samāsa (nis+citta)

• nis – without, out, free from
  prefix
• citta – mind, thought, consciousness
  noun (neuter)
  Derived from root cit 'to perceive, know'
  Root: cit (class 1)

व्रज (vraja) - go, attain, proceed

(verb)

2nd person , singular, active, imperative (loṭ) of vraj

imperative active

Root: vraj (class 1)