योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-53, verse-27

स्वयं संकल्पनामात्रं जायते बालयक्षवत् ।
अनन्तायात्मदुःखाय नानन्दाय कदाचन ॥ २७ ॥

svayaṃ saṃkalpanāmātraṃ jāyate bālayakṣavat ,
anantāyātmaduḥkhāya nānandāya kadācana 27

27. svayam saṅkalpanāmātram jāyate bālayakṣavat
anantāya ātmaduḥkhāya na anandāya kadācana

27. svayam saṅkalpanāmātram bālayakṣavat jāyate
anantāya ātmaduḥkhāya anandāya kadācana na

27. Mere conceptualization (saṅkalpanā) itself arises like a young yakṣa, inevitably leading to endless suffering for the self (ātman), never, ever to joy.

Words meanings summery:

• स्वयम् (svayam) - oneself, by oneself

• सङ्कल्पनामात्रम् (saṅkalpanāmātram) - mere conceptualization, just an idea

• जायते (jāyate) - arises, is born

• बालयक्षवत् (bālayakṣavat) - like a young yakṣa, resembling a child yakṣa

• अनन्ताय (anantāya) - for endless, for infinite

• आत्मदुःखाय (ātmaduḥkhāya) - for the suffering of the self, for self-misery

• न (na) - not

• अनन्दाय (anandāya) - for joy, for happiness

• कदाचन (kadācana) - ever, at any time

Words meanings and morphology

स्वयम् (svayam) - oneself, by oneself

(indeclinable)

सङ्कल्पनामात्रम् (saṅkalpanāmātram) - mere conceptualization, just an idea

(noun)

Nominative, neuter, singular of saṅkalpanāmātra

saṅkalpanāmātra - mere conceptualization, only an idea, nothing but resolve

Compound type : tatpuruṣa (saṅkalpanā+mātra)

• saṅkalpanā – conceptualization, intention, resolve
  noun (feminine)
  from sam + kḷp
  Prefix: sam
  Root: kḷp (class 1)
• mātra – mere, only, nothing but, measure
  adjective (neuter)

Note: Used adverbially.

जायते (jāyate) - arises, is born

(verb)

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

Present Middle

From root jan (4th class, divādi), middle voice, present tense.

Root: jan (class 4)

बालयक्षवत् (bālayakṣavat) - like a young yakṣa, resembling a child yakṣa

(indeclinable)

Compound type : tatpuruṣa (bāla+yakṣa)

• bāla – child, young, infant
  adjective (masculine)
• yakṣa – a class of semi-divine beings, often guardians of wealth
  noun (masculine)

अनन्ताय (anantāya) - for endless, for infinite

(adjective)

Dative, masculine, singular of ananta

ananta - endless, infinite, boundless, eternal

Note: Modifies ātmaduḥkhāya.

आत्मदुःखाय (ātmaduḥkhāya) - for the suffering of the self, for self-misery

(noun)

Dative, neuter, singular of ātmaduḥkha

ātmaduḥkha - suffering of the self, misery of the soul

Compound type : tatpuruṣa (ātman+duḥkha)

• ātman – self, soul, spirit (ātman)
  noun (masculine)
• duḥkha – suffering, pain, misery, sorrow
  noun (neuter)

Note: Dative case indicating purpose or result.

न (na) - not

(indeclinable)

अनन्दाय (anandāya) - for joy, for happiness

(noun)

Dative, masculine, singular of ānanda

ānanda - joy, happiness, bliss, delight

Root: nand (class 1)

Note: Dative case indicating purpose.

कदाचन (kadācana) - ever, at any time

(indeclinable)