योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-11, verse-4

आत्मज्ञानं तु सर्वेषामिन्द्रियाणामगोचरम् ।
सत्तां केवलमायाति मनःषष्ठेन्द्रियक्षये ॥ ४ ॥

ātmajñānaṃ tu sarveṣāmindriyāṇāmagocaram ,
sattāṃ kevalamāyāti manaḥṣaṣṭhendriyakṣaye 4

4. ātma-jñānam tu sarveṣām indriyāṇām agocaram
sattām kevalam āyāti manaḥ-ṣaṣṭha-indriya-kṣaye

4. tu ātma-jñānam sarveṣām indriyāṇām agocaram
manaḥ-ṣaṣṭha-indriya-kṣaye kevalam sattām āyāti

4. However, the knowledge of the self (ātman) is imperceptible to all the senses. It comes into existence solely upon the cessation of the mind, which is considered the sixth sense.

Words meanings summery:

• आत्म-ज्ञानम् (ātma-jñānam) - the direct understanding or realization of the (ātman) (knowledge of the self (ātman), self-knowledge)

• तु (tu) - but, however, on the other hand

• सर्वेषाम् (sarveṣām) - of all

• इन्द्रियाणाम् (indriyāṇām) - of all five cognitive senses (sight, hearing, smell, taste, touch) (of the senses, of sense organs)

• अगोचरम् (agocaram) - not detectable or comprehensible by the senses (imperceptible, beyond the reach)

• सत्ताम् (sattām) - manifests into reality or becomes truly present (existence, reality, being)

• केवलम् (kevalam) - only under specific conditions (solely, merely, exclusively)

• आयाति (āyāti) - comes into actual existence or is realized (comes, attains, approaches)

• मनः-षष्ठ-इन्द्रिय-क्षये (manaḥ-ṣaṣṭha-indriya-kṣaye) - when the mind, which is considered the sixth (internal) sense, ceases its activity (upon the destruction/cessation of the mind, the sixth sense)

Words meanings and morphology

आत्म-ज्ञानम् (ātma-jñānam) - the direct understanding or realization of the (ātman) (knowledge of the self (ātman), self-knowledge)

(noun)

Nominative, neuter, singular of ātma-jñāna

ātma-jñāna - self-knowledge, knowledge of the soul

Compound of ātman and jñāna

Compound type : ṣaṣṭhī-tatpuruṣa (ātman+jñāna)

• ātman – self, soul, spirit, essence, individual soul
  noun (masculine)
• jñāna – knowledge, wisdom, understanding, realization
  noun (neuter)
  Derived from root jñā
  Root: jñā (class 9)

तु (tu) - but, however, on the other hand

(indeclinable)

सर्वेषाम् (sarveṣām) - of all

(pronoun)

Genitive, neuter, plural of sarva

sarva - all, every, whole, entire

Note: Agrees with indriyāṇām in neuter genitive plural.

इन्द्रियाणाम् (indriyāṇām) - of all five cognitive senses (sight, hearing, smell, taste, touch) (of the senses, of sense organs)

(noun)

Genitive, neuter, plural of indriya

indriya - sense organ, faculty of sense

Derived from indra

अगोचरम् (agocaram) - not detectable or comprehensible by the senses (imperceptible, beyond the reach)

(adjective)

Nominative, neuter, singular of agocara

agocara - not within reach, imperceptible, inaccessible, beyond the sphere of

Compound of negative particle a- and gocara

Compound type : nañ-tatpuruṣa (a+gocara)

• a – not, non, without
  indeclinable
  Negative particle
• gocara – range, sphere, accessible, perceptible, object of sense
  noun (masculine)
  Compound of go (sense) and cara (moving)

सत्ताम् (sattām) - manifests into reality or becomes truly present (existence, reality, being)

(noun)

Accusative, feminine, singular of sattā

sattā - existence, being, reality, essence, true nature

Derived from root as (to be)

Root: as (class 2)

केवलम् (kevalam) - only under specific conditions (solely, merely, exclusively)

(adjective)

Accusative, neuter, singular of kevala

kevala - sole, mere, exclusive, absolute, pure

Note: Functions adverbially in the accusative singular.

आयाति (āyāti) - comes into actual existence or is realized (comes, attains, approaches)

(verb)

3rd person , singular, active, present (lat) of ā-i

Present Active

Present tense, 3rd person singular, active voice. Formed with prefix ā.

Prefix: ā

Root: i (class 2)

मनः-षष्ठ-इन्द्रिय-क्षये (manaḥ-ṣaṣṭha-indriya-kṣaye) - when the mind, which is considered the sixth (internal) sense, ceases its activity (upon the destruction/cessation of the mind, the sixth sense)

(noun)

Locative, masculine, singular of manaḥ-ṣaṣṭha-indriya-kṣaya

manaḥ-ṣaṣṭha-indriya-kṣaya - cessation of the mind, which is the sixth sense

Tatpuruṣa compound: kṣaya of manaḥ-ṣaṣṭha-indriya

Compound type : ṣaṣṭhī-tatpuruṣa (manas+ṣaṣṭha+indriya+kṣaya)

• manas – mind, intellect, thought, mental faculty
  noun (neuter)
• ṣaṣṭha – sixth
  adjective (neuter)
  Ordinal number derived from ṣaṭ (six)
• indriya – sense organ, faculty of sense
  noun (neuter)
• kṣaya – destruction, cessation, decay, loss
  noun (masculine)
  Derived from root kṣi
  Root: kṣi (class 1)