योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-96, verse-20

इदं त्यक्त्वेदमायाति बालवत्पेलवा यदा ।
विचारं संपरित्यज्य तदा सा चित्तमुच्यते ॥ २० ॥

idaṃ tyaktvedamāyāti bālavatpelavā yadā ,
vicāraṃ saṃparityajya tadā sā cittamucyate 20

20. idam tyaktvā idam āyāti bālavat pelavā yadā
vicāram saṃparityajya tadā sā cittam ucyate

20. yadā bālavat pelavā idam tyaktvā idam āyāti vicāram saṃparityajya,
tadā sā cittam ucyate.

20. When, like a tender child, it abandons one object and embraces another, completely forsaking deliberation, then that (faculty) is called the mind (citta).

Words meanings summery:

• इदम् (idam) - this, this object

• त्यक्त्वा (tyaktvā) - having abandoned

• इदम् (idam) - this, this object

• आयाति (āyāti) - comes, approaches, takes on

• बालवत् (bālavat) - like a child, childishly

• पेलवा (pelavā) - tender, delicate, fragile

• यदा (yadā) - when

• विचारम् (vicāram) - deliberation, thought

• संपरित्यज्य (saṁparityajya) - having completely abandoned, forsaking entirely

• तदा (tadā) - then

• सा (sā) - that (feminine)

• चित्तम् (cittam) - mind, consciousness

• उच्यते (ucyate) - is called, is said

Words meanings and morphology

इदम् (idam) - this, this object

(pronoun)

Accusative, neuter, singular of idam

idam - this, referring to something present or just mentioned

त्यक्त्वा (tyaktvā) - having abandoned

(indeclinable)

Root: tyaj (class 1)

Note: Absolutive (gerund) form

इदम् (idam) - this, this object

(pronoun)

Accusative, neuter, singular of idam

idam - this, referring to something present or just mentioned

आयाति (āyāti) - comes, approaches, takes on

(verb)

3rd person , singular, active, present (laṭ) of ā + yā

Prefix: ā

Root: yā (class 2)

बालवत् (bālavat) - like a child, childishly

(indeclinable)

पेलवा (pelavā) - tender, delicate, fragile

(adjective)

Nominative, feminine, singular of pelava

pelava - tender, soft, delicate, weak

Note: Agrees with the implied feminine subject 'sā' (that faculty/mind)

यदा (yadā) - when

(indeclinable)

विचारम् (vicāram) - deliberation, thought

(noun)

Accusative, masculine, singular of vicāra

vicāra - deliberation, consideration, investigation, thought

Prefix: vi

Root: car (class 1)

संपरित्यज्य (saṁparityajya) - having completely abandoned, forsaking entirely

(indeclinable)

Prefixes: sam+pari

Root: tyaj (class 1)

Note: Absolutive (gerund) form with prefixes

तदा (tadā) - then

(indeclinable)

सा (sā) - that (feminine)

(pronoun)

Nominative, feminine, singular of tad

tad - that, she, it

Note: Refers to the activity or faculty being described as 'citta'

चित्तम् (cittam) - mind, consciousness

(noun)

Nominative, neuter, singular of citta

citta - mind, thought, intellect, consciousness

Root: cit (class 1)

उच्यते (ucyate) - is called, is said

(verb)

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

Root: vac (class 2)