योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-56, verse-40

बहिष्ठेनान्तरं बाह्यमन्तःस्थेनान्तरस्थितम् ।
यथाविदितमात्मायं स्वचित्तमनुपश्यति ॥ ४० ॥

bahiṣṭhenāntaraṃ bāhyamantaḥsthenāntarasthitam ,
yathāviditamātmāyaṃ svacittamanupaśyati 40

40. bahiṣṭhena antaram bāhyam antaḥsthena antarasthitam
yathāviditam ātmā ayam svacittam anupaśyati

40. ayam ātmā svacittam yathāviditam bahiṣṭhena antaram,
antaḥsthena bāhyam,
antarasthitam ca anupaśyati

40. This Self (ātman) perceives its own mind (svacittam) as it is revealed, seeing the internal by means of the outermost aspect, and the external by means of the innermost aspect, as well as that which is situated within.

Words meanings summery:

• बहिष्ठेन (bahiṣṭhena) - by means of the outermost aspect (by the outermost, by the most external)

• अन्तरम् (antaram) - the internal (aspect) (inner, internal (neuter noun/adjective))

• बाह्यम् (bāhyam) - the external (aspect) (external, outer (neuter noun/adjective))

• अन्तःस्थेन (antaḥsthena) - by means of the innermost aspect (by the inner, by that which is situated within)

• अन्तरस्थितम् (antarasthitam) - that which is situated within (situated within, internal (neuter noun/adjective))

• यथाविदितम् (yathāviditam) - as it is revealed (as known, as understood, as revealed)

• आत्मा (ātmā) - Self (self, soul, spirit)

• अयम् (ayam) - this (Self) (this (masculine))

• स्वचित्तम् (svacittam) - its own mind (one's own mind, its own mind)

• अनुपश्यति (anupaśyati) - perceives (perceives, sees, observes)

Words meanings and morphology

बहिष्ठेन (bahiṣṭhena) - by means of the outermost aspect (by the outermost, by the most external)

(adjective)

Instrumental, masculine, singular of bahiṣṭha

bahiṣṭha - outermost, most external

Superlative degree from bahir (out)

Note: Refers to an aspect of consciousness/mind

अन्तरम् (antaram) - the internal (aspect) (inner, internal (neuter noun/adjective))

(adjective)

Accusative, neuter, singular of antara

antara - inner, internal, intermediate, difference

Note: Object of anupaśyati

बाह्यम् (bāhyam) - the external (aspect) (external, outer (neuter noun/adjective))

(adjective)

Accusative, neuter, singular of bāhya

bāhya - external, outer, foreign

Note: Object of anupaśyati

अन्तःस्थेन (antaḥsthena) - by means of the innermost aspect (by the inner, by that which is situated within)

(adjective)

Instrumental, masculine, singular of antaḥstha

antaḥstha - situated within, internal

From antas (within) + stha (standing, being)

Compound type : saptamī-tatpuruṣa (antas+stha)

• antas – within, inside, interior
  indeclinable
• stha – standing, staying, being in
  adjective (masculine)
  From root sthā (to stand)
  Root: sthā (class 1)

Note: Refers to an aspect of consciousness/mind

अन्तरस्थितम् (antarasthitam) - that which is situated within (situated within, internal (neuter noun/adjective))

(adjective)

Accusative, neuter, singular of antarasthita

antarasthita - situated within, placed internally

Past Passive Participle

From antas (within) + sthita (stood, placed)

Compound type : saptamī-tatpuruṣa (antas+sthita)

• antas – within, inside, interior
  indeclinable
• sthita – stood, situated, existing
  adjective (neuter)
  Past Passive Participle
  Root sthā (to stand)
  Root: sthā (class 1)

Note: Object of anupaśyati

यथाविदितम् (yathāviditam) - as it is revealed (as known, as understood, as revealed)

(adjective)

Accusative, neuter, singular of yathāvidita

yathāvidita - as known, according to what is known

Compound of yathā (as) and vidita (known, PPP of vid)

Compound type : avyayībhāva (yathā+vidita)

• yathā – as, just as, according to
  indeclinable
• vidita – known, understood
  adjective (neuter)
  Past Passive Participle
  Root vid (to know)
  Root: vid (class 2)

Note: Adverbial use, qualifying anupaśyati

आत्मा (ātmā) - Self (self, soul, spirit)

(noun)

Nominative, masculine, singular of ātman

ātman - self, soul, spirit, essence

Note: Subject of anupaśyati

अयम् (ayam) - this (Self) (this (masculine))

(pronoun)

Nominative, masculine, singular of idam

idam - this, this one

Note: Qualifying ātmā

स्वचित्तम् (svacittam) - its own mind (one's own mind, its own mind)

(noun)

Accusative, neuter, singular of svacitta

svacitta - one's own mind

Compound of sva (own) and citta (mind)

Compound type : ṣaṣṭhī-tatpuruṣa (sva+citta)

• sva – own, one's own
  pronoun
• citta – mind, consciousness, thought
  noun (neuter)
  Past Passive Participle
  Root cit (to perceive, think)
  Root: cit (class 1)

Note: Object of anupaśyati

अनुपश्यति (anupaśyati) - perceives (perceives, sees, observes)

(verb)

3rd person , singular, active, present (laṭ) of anupaś

Root dṛś (to see) with upasarga anu-

Prefix: anu

Root: dṛś (class 1)