योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-13, verse-81

एतावच्चेतसो जन्म बीजं संसारभूतये ।
संकल्पोन्मुखतां यातः संविदो वा किलात्मनः ॥ ८१ ॥

etāvaccetaso janma bījaṃ saṃsārabhūtaye ,
saṃkalponmukhatāṃ yātaḥ saṃvido vā kilātmanaḥ 81

81. etāvat cetasaḥ janma bījam saṃsārabhūtaye
saṅkalponmukhatām yātaḥ saṃvidaḥ vā kila ātmanaḥ

81. etāvat cetasaḥ janma saṃsārabhūtaye bījam vā
kila ātmanaḥ saṃvidaḥ saṅkalponmukhatām yātaḥ

81. This much is the birth of the mind (citta), which is the seed for the manifestation of saṃsāra (cycle of rebirth). It is, in fact, the self (ātman) whose cognition (saṃvid) has attained an inclination towards conceptualization.

Words meanings summery:

• एतावत् (etāvat) - this much, so much, of this extent

• चेतसः (cetasaḥ) - of the mind, of consciousness

• जन्म (janma) - birth, origin, creation

• बीजम् (bījam) - seed, origin, cause

• संसारभूतये (saṁsārabhūtaye) - for the existence/manifestation of saṃsāra, for the cycle of rebirth

• सङ्कल्पोन्मुखताम् (saṅkalponmukhatām) - the state of being directed towards conceptualization, inclination towards resolve

• यातः (yātaḥ) - having attained, having become inclined (gone, attained, reached)

• संविदः (saṁvidaḥ) - of consciousness, of cognition

• वा (vā) - or rather (or, alternatively)

• किल (kila) - in fact (indeed, certainly, reportedly)

• आत्मनः (ātmanaḥ) - of the self, of the soul

Words meanings and morphology

एतावत् (etāvat) - this much, so much, of this extent

(adjective)

Nominative, neuter, singular of etāvat

etāvat - this much, so much, of this measure

From pronominal base 'etad' + 'vat' suffix

चेतसः (cetasaḥ) - of the mind, of consciousness

(noun)

Genitive, neuter, singular of cetas

cetas - mind, consciousness, intelligence, heart

s-stem noun

Root: cit (class 1)

जन्म (janma) - birth, origin, creation

(noun)

Nominative, neuter, singular of janman

janman - birth, origin, existence, created thing

Nomen actionis/result

From root jan with man suffix

Root: jan (class 4)

बीजम् (bījam) - seed, origin, cause

(noun)

Nominative, neuter, singular of bīja

bīja - seed, germ, origin, cause

संसारभूतये (saṁsārabhūtaye) - for the existence/manifestation of saṃsāra, for the cycle of rebirth

(noun)

Dative, feminine, singular of saṃsārabhūti

saṁsārabhūti - existence/manifestation of saṃsāra

Compound of saṃsāra and bhūti

Compound type : tatpurusha (saṃsāra+bhūti)

• saṃsāra – transmigration, cycle of birth and death, worldly existence
  noun (masculine)
  From root sṛ with prefix sam
  Prefix: sam
  Root: sṛ (class 1)
• bhūti – being, existence, welfare, prosperity, manifestation
  noun (feminine)
  From root bhū
  Root: bhū (class 1)

सङ्कल्पोन्मुखताम् (saṅkalponmukhatām) - the state of being directed towards conceptualization, inclination towards resolve

(noun)

Accusative, feminine, singular of saṅkalponmukhatā

saṅkalponmukhatā - state of being directed towards conceptualization

Compound of saṅkalpa, unmukha, and tā (abstract noun suffix)

Compound type : tatpurusha (saṅkalpa+unmukha+tā)

• saṅkalpa – resolve, intention, conceptualization, mental formation, will
  noun (masculine)
  From root kḷp with prefix sam
  Prefix: sam
  Root: kḷp (class 1)
• unmukha – facing upwards, inclined towards, eager
  adjective
  Compound of ud (up) + mukha (face)
  Prefix: ud
• tā – state, condition, -ness
  suffix (feminine)
  Abstract noun suffix

यातः (yātaḥ) - having attained, having become inclined (gone, attained, reached)

(adjective)

Nominative, masculine, singular of yāta

yāta - gone, moved, passed, reached, attained

Past Passive Participle

From root yā (to go) with kta suffix

Root: yā (class 2)

Note: Describes the implicit ātman or the state of ātman's cognition.

संविदः (saṁvidaḥ) - of consciousness, of cognition

(noun)

Genitive, feminine, singular of saṃvid

saṁvid - consciousness, knowledge, understanding, cognition

Derived from root vid (to know) with prefix sam

Prefix: sam

Root: vid (class 2)

Note: Qualifies ātmanaḥ indirectly (cognition of the self).

वा (vā) - or rather (or, alternatively)

(indeclinable)

particle

किल (kila) - in fact (indeed, certainly, reportedly)

(indeclinable)

particle

आत्मनः (ātmanaḥ) - of the self, of the soul

(noun)

Genitive, masculine, singular of ātman

ātman - self, soul, essence, individual soul, supreme soul

Root: an (class 2)