योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-2, verse-24

तस्य मूलं विदुर्जीवं चेत्योन्मुखचिदात्मकम् ।
चेत्यस्य चेतनं मूलं सर्वमूलैककारणम् ॥ २४ ॥

tasya mūlaṃ vidurjīvaṃ cetyonmukhacidātmakam ,
cetyasya cetanaṃ mūlaṃ sarvamūlaikakāraṇam 24

24. tasya mūlam viduḥ jīvam cetyonmukhacidātmakam
cetyasya cetanam mūlam sarvamūlaikakāraṇam

24. tasya mūlam cetyonmukhacidātmakam jīvam viduḥ
cetyasya mūlam cetanam sarvamūlaikakāraṇam

24. They know its (the mind's) root to be the individual soul (jīva), whose essence is consciousness (cit) directed towards objects of perception. The conscious principle (cetana) is the root of what is perceived, the single cause of all roots.

Words meanings summery:

• तस्य (tasya) - of that (mind) (of it, its)

• मूलम् (mūlam) - root, origin, foundation

• विदुः (viduḥ) - they know, they understand

• जीवम् (jīvam) - individual soul, living being, life principle

• चेत्योन्मुखचिदात्मकम् (cetyonmukhacidātmakam) - whose essence is consciousness directed towards objects of thought/perception

• चेत्यस्य (cetyasya) - of the object of thought/perception; of what is to be perceived

• चेतनम् (cetanam) - consciousness, conscious principle, animate being

• मूलम् (mūlam) - root, origin, foundation

• सर्वमूलैककारणम् (sarvamūlaikakāraṇam) - the single cause of all roots; the sole origin of all foundations

Words meanings and morphology

तस्य (tasya) - of that (mind) (of it, its)

(pronoun)

Genitive, neuter, singular of tad

tad - that, it

मूलम् (mūlam) - root, origin, foundation

(noun)

Accusative, neuter, singular of mūla

mūla - root, origin, foundation, base

Note: object of the verb 'viduḥ'

विदुः (viduḥ) - they know, they understand

(verb)

3rd person , plural, active, present indicative (laṭ) of vid

Root: vid (class 2)

जीवम् (jīvam) - individual soul, living being, life principle

(noun)

Accusative, masculine, singular of jīva

jīva - individual soul, living being, life principle

Root: jīv (class 1)

Note: predicate accusative, 'know X to be Y'

चेत्योन्मुखचिदात्मकम् (cetyonmukhacidātmakam) - whose essence is consciousness directed towards objects of thought/perception

(adjective)

Accusative, masculine, singular of cetyonmukhacidātmaka

cetyonmukhacidātmaka - whose essence is consciousness directed towards objects of thought/perception

Compound type : bahuvrīhi (cetya+unmukha+cit+ātmaka)

• cetya – to be thought, to be perceived, object of thought/perception
  adjective (masculine)
  Gerundive
  from root cit
  Root: cit (class 1)
• unmukha – facing, turned towards, eager
  adjective (masculine)
  Prefix: ud
• cit – consciousness, intelligence, understanding
  noun (feminine)
  Root: cit (class 1)
• ātmaka – having the nature of, composed of, essential
  adjective (masculine)
  suffix -ka added to ātman

Note: modifies 'jīvam'

चेत्यस्य (cetyasya) - of the object of thought/perception; of what is to be perceived

(noun)

Genitive, neuter, singular of cetya

cetya - to be thought, to be perceived, object of thought/perception

Gerundive

from root cit

Root: cit (class 1)

चेतनम् (cetanam) - consciousness, conscious principle, animate being

(noun)

Nominative, neuter, singular of cetana

cetana - consciousness, conscious principle, animate being, intellect

Root: cit (class 1)

मूलम् (mūlam) - root, origin, foundation

(noun)

Nominative, neuter, singular of mūla

mūla - root, origin, foundation, base

सर्वमूलैककारणम् (sarvamūlaikakāraṇam) - the single cause of all roots; the sole origin of all foundations

(adjective)

Nominative, neuter, singular of sarvamūlaikakāraṇa

sarvamūlaikakāraṇa - the single cause of all roots; the sole origin of all foundations

Compound type : bahuvrīhi (sarva+mūla+eka+kāraṇa)

• sarva – all, every, whole
  pronoun (masculine)
• mūla – root, origin, foundation
  noun (neuter)
• eka – one, single, sole
  numeral (masculine)
• kāraṇa – cause, reason, instrument
  noun (neuter)
  Root: kṛ (class 8)