योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-114, verse-27

विकल्पजालिकेवेत्थमसत्येवापि सत्समा ।
मनःस्वार्थविलासार्थं यथा बालेन कल्प्यते ॥ २७ ॥

vikalpajālikevetthamasatyevāpi satsamā ,
manaḥsvārthavilāsārthaṃ yathā bālena kalpyate 27

27. vikalpajālikā iva ittham asatyā eva api satsamā
manaḥsvārthavilāsārtham yathā bālena kalpyate

27. ittham asatyā eva api satsamā vikalpajālikā iva
yathā bālena manaḥsvārthavilāsārtham kalpyate

27. In this manner, a network of mental constructs (vikalpa-jālikā), though unreal, appears as if real, just as it is imagined by a child for the mind's own playful enjoyment.

Words meanings summery:

• विकल्पजालिका (vikalpajālikā) - a network of notions, a web of mental constructs, a collection of doubts

• इव (iva) - like, as, as if

• इत्थम् (ittham) - thus, in this manner, in this way

• असत्या (asatyā) - unreal, non-existent, false (feminine)

• एव (eva) - indeed, certainly, only, just

• अपि (api) - even, also, though

• सत्समा (satsamā) - appearing like reality, similar to existence, seemingly real

• मनःस्वार्थविलासार्थम् (manaḥsvārthavilāsārtham) - for the purpose of the mind's own playful enjoyment, for the mind's selfish sport

• यथा (yathā) - as, just as, in which way

• बालेन (bālena) - by a child

• कल्प्यते (kalpyate) - is imagined, is created, is formed

Words meanings and morphology

विकल्पजालिका (vikalpajālikā) - a network of notions, a web of mental constructs, a collection of doubts

(noun)

Nominative, feminine, singular of vikalpajālikā

vikalpajālikā - network of notions/fancies, web of mental constructs

from vikalpa + jālikā

Compound type : tatpurusha (vikalpa+jālikā)

• vikalpa – doubt, notion, mental construct, alternative
  noun (masculine)
  from vi + kḷp + a (Ghañ)
  Prefix: vi
  Root: kḷp (class 1)
• jālikā – net, web, collection, multitude
  noun (feminine)
  from jāla + ika (suffix)

Note: Subject of the comparison.

इव (iva) - like, as, as if

(indeclinable)

इत्थम् (ittham) - thus, in this manner, in this way

(indeclinable)

Note: Refers to the way the mental constructs operate.

असत्या (asatyā) - unreal, non-existent, false (feminine)

(adjective)

Nominative, feminine, singular of asatya

asatya - unreal, non-existent, false

negative of satya

Compound type : tatpurusha (a+satya)

• a – not, non, un-
  indeclinable
  negative prefix
• satya – real, true, existent
  adjective

Note: Qualifies vikalpajālikā.

एव (eva) - indeed, certainly, only, just

(indeclinable)

Note: Adds emphasis to 'asatyā'.

अपि (api) - even, also, though

(indeclinable)

Note: Combines with 'eva' to form 'evāpi', meaning 'even though, indeed'.

सत्समा (satsamā) - appearing like reality, similar to existence, seemingly real

(adjective)

Nominative, feminine, singular of satsama

satsama - appearing like reality, similar to existence, seemingly real

from sat + sama

Compound type : tatpurusha (sat+sama)

• sat – existent, real, true
  adjective
  Present Active Participle
  from as (class 2) + śatṛ
  Root: as (class 2)
• sama – similar, equal, like
  adjective

Note: Qualifies vikalpajālikā.

मनःस्वार्थविलासार्थम् (manaḥsvārthavilāsārtham) - for the purpose of the mind's own playful enjoyment, for the mind's selfish sport

(indeclinable)

adverbial compound, from manas + svārtha + vilāsa + artha (suffix)

Compound type : tatpurusha (manas+svārtha+vilāsa+artha)

• manas – mind, intellect, thought
  noun (neuter)
  Root: man (class 4)
• svārtha – one's own purpose, self-interest
  noun (masculine)
  from sva + artha
• vilāsa – play, sport, enjoyment, pastime, caprice
  noun (masculine)
  from vi + las + a (Ghañ)
  Prefix: vi
  Root: las (class 1)
• artha – purpose, meaning, for the sake of
  noun (masculine)

Note: Functions as an adverbial phrase indicating purpose.

यथा (yathā) - as, just as, in which way

(indeclinable)

बालेन (bālena) - by a child

(noun)

Instrumental, masculine, singular of bāla

bāla - child, boy, young

Note: Agent in the passive construction.

कल्प्यते (kalpyate) - is imagined, is created, is formed

(verb)

3rd person , singular, passive, present indicative (laṭ) of kḷp

Present passive

3rd person singular, present indicative, ātmanepada, from root kḷp (class 1), passive form

Root: kḷp (class 1)

Note: The main verb of the subordinate clause.