योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-50, verse-57

अन्यात्मन्यात्मभावेन देहमात्रास्थयानया ।
पुत्रदारकुटुम्बैश्च चेतो गच्छति पीनताम् ॥ ५७ ॥

anyātmanyātmabhāvena dehamātrāsthayānayā ,
putradārakuṭumbaiśca ceto gacchati pīnatām 57

57. anyātmani ātmabhāvena dehamātrāsthayā anayā
putradārakutumbaiḥ ca cetaḥ gacchati pīnatām

57. anaya āsthayā anyātmani ātmabhāvena dehamātrā
putradārakutumbaiḥ ca cetaḥ pīnatām gacchati

57. Through this attachment, which involves identifying with others as one's own self (ātman) and seeing them merely as bodies, the mind becomes engrossed with children, wives, and family.

Words meanings summery:

• अन्यात्मनि (anyātmani) - in another's self, in others

• आत्मभावेन (ātmabhāvena) - by the feeling of self, by self-identification

• देहमात्रास्थया (dehamātrāsthayā) - by the attachment to merely the body, by bodily attachment

• अनया (anayā) - by this, through this

• पुत्रदारकुतुम्बैः (putradārakutumbaiḥ) - by children, wives, and family

• च (ca) - and

• चेतः (cetaḥ) - the mind

• गच्छति (gacchati) - goes, becomes, attains

• पीनताम् (pīnatām) - fatness, grossness, engrossment

Words meanings and morphology

अन्यात्मनि (anyātmani) - in another's self, in others

(noun)

Locative, masculine, singular of anyātman

anyātman - another's self, another person

Compound type : tatpuruṣa (anya+ātman)

• anya – other, another
  pronoun (masculine)
• ātman – self, soul, spirit
  noun (masculine)

आत्मभावेन (ātmabhāvena) - by the feeling of self, by self-identification

(noun)

Instrumental, masculine, singular of ātmabhāva

ātmabhāva - the state of being the self, self-identification, the feeling of self

Compound type : tatpuruṣa (ātman+bhāva)

• ātman – self, soul, spirit
  noun (masculine)
• bhāva – state, condition, feeling, sentiment, existence
  noun (masculine)

देहमात्रास्थया (dehamātrāsthayā) - by the attachment to merely the body, by bodily attachment

(noun)

Instrumental, feminine, singular of dehamātrāsthā

dehamātrāsthā - attachment to merely the body

Compound type : tatpuruṣa (dehamātra+āsthā)

• dehamātra – merely a body, only the body
  noun (neuter)
• āsthā – attachment, reliance, faith
  noun (feminine)

अनया (anayā) - by this, through this

(pronoun)

Instrumental, feminine, singular of idam

idam - this

पुत्रदारकुतुम्बैः (putradārakutumbaiḥ) - by children, wives, and family

(noun)

Instrumental, masculine, plural of putradārakutumba

putradārakutumba - children, wives, and family

Compound type : dvandva (putra+dāra+kutumba)

• putra – son, child
  noun (masculine)
• dāra – wife (often used in plural)
  noun (masculine)
• kutumba – family, household
  noun (neuter)

च (ca) - and

(indeclinable)

चेतः (cetaḥ) - the mind

(noun)

Nominative, neuter, singular of cetas

cetas - mind, intellect, heart

गच्छति (gacchati) - goes, becomes, attains

(verb)

3rd person , singular, active, present indicative (laṭ) of gam

Root: gam (class 1)

पीनताम् (pīnatām) - fatness, grossness, engrossment

(noun)

Accusative, feminine, singular of pīnatā

pīnatā - fatness, stoutness, grossness, fullness