योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-19, verse-33

अनाक्रान्तेन्द्रियच्छिद्रो यतः क्षुब्धोऽन्तरेव सः ।
संविदानुभवत्याशु स स्वप्न इति कथ्यते ॥ ३३ ॥

anākrāntendriyacchidro yataḥ kṣubdho'ntareva saḥ ,
saṃvidānubhavatyāśu sa svapna iti kathyate 33

33. anākrāntendriyacchidraḥ yataḥ kṣubdhaḥ antare eva
saḥ saṃvid anubhavati āśu saḥ svapnaḥ iti kathyate

33. yataḥ (ayam) anākrāntendriyacchidraḥ,
saḥ antare eva kṣubdhaḥ.
(yā) saṃvid āśu anubhavati,
saḥ svapnaḥ iti kathyate.

33. Since the openings of his sense organs are not assailed (by external stimuli), he is agitated only internally. This consciousness (saṃvid), which quickly experiences these (internal perceptions), is called a dream.

Words meanings summery:

• अनाक्रान्तेन्द्रियच्छिद्रः (anākrāntendriyacchidraḥ) - a state where external stimuli do not engage the sense organs (whose sense-apertures are not assailed/occupied)

• यतः (yataḥ) - introducing the reason for internal agitation (from which, since, because)

• क्षुब्धः (kṣubdhaḥ) - referring to the internal state of disturbance (agitated, disturbed, shaken)

• अन्तरे (antare) - the disturbance occurs solely within the mind (internally, within, inside)

• एव (eva) - emphasizing that the agitation is *only* internal, not external (only, just, indeed, precisely)

• सः (saḥ) - the person whose senses are disengaged (he, that (masculine singular nominative))

• संविद् (saṁvid) - the faculty of awareness that experiences dreams (consciousness, knowledge, understanding)

• अनुभवति (anubhavati) - consciousness experiencing internal states (experiences, perceives, feels)

• आशु (āśu) - consciousness experiencing a rapid succession of internal phenomena (quickly, swiftly, immediately)

• सः (saḥ) - referring to the state described (that, he)

• स्वप्नः (svapnaḥ) - the state of dreaming (dream, sleep)

• इति (iti) - marks the preceding word as a designation or quote (thus, in this way, so-called)

• कथ्यते (kathyate) - this state is designated as 'dream' (is said, is called, is narrated)

Words meanings and morphology

अनाक्रान्तेन्द्रियच्छिद्रः (anākrāntendriyacchidraḥ) - a state where external stimuli do not engage the sense organs (whose sense-apertures are not assailed/occupied)

(adjective)

Nominative, masculine, singular of anākrāntendriyacchidra

anākrāntendriyacchidra - whose sense-apertures are not assailed/occupied; having unengaged sense-apertures

Bahuvrīhi compound.

Compound type : bahuvrīhi (anākrānta+indriyacchidra)

• anākrānta – unassailed, unattacked, not entered, unoccupied
  adjective (masculine)
  Past Passive Participle
  Negation 'a-' + prefix 'ā-' + root 'kram-' (to step, go, assail).
  Prefix: ā
  Root: kram (class 1)
• indriyacchidra – opening of a sense organ, sense-aperture
  noun (neuter)
  Compound noun.

Note: Qualifies the implied subject, 'he'.

यतः (yataḥ) - introducing the reason for internal agitation (from which, since, because)

(indeclinable)

Adverbial ablative of 'yad'.

क्षुब्धः (kṣubdhaḥ) - referring to the internal state of disturbance (agitated, disturbed, shaken)

(adjective)

Nominative, masculine, singular of kṣubdha

kṣubdha - agitated, disturbed, shaken, troubled

Past Passive Participle

Derived from root kṣubh- (to agitate, disturb).

Root: kṣubh (class 4)

Note: Qualifies 'saḥ'.

अन्तरे (antare) - the disturbance occurs solely within the mind (internally, within, inside)

(indeclinable)

Adverb. (Can also be locative singular of 'antara' noun/adjective).

एव (eva) - emphasizing that the agitation is *only* internal, not external (only, just, indeed, precisely)

(indeclinable)

Emphatic particle.

सः (saḥ) - the person whose senses are disengaged (he, that (masculine singular nominative))

(pronoun)

Nominative, masculine, singular of tad

tad - that, this, he, she, it

Demonstrative pronoun.

संविद् (saṁvid) - the faculty of awareness that experiences dreams (consciousness, knowledge, understanding)

(noun)

Nominative, feminine, singular of saṃvid

saṁvid - consciousness, knowledge, understanding, intelligence

Derived from root vid- (to know) with prefix sam-.

Prefix: sam

Root: vid (class 2)

Note: Subject of 'anubhavati'.

अनुभवति (anubhavati) - consciousness experiencing internal states (experiences, perceives, feels)

(verb)

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

Present Tense

Root bhū- (1st class) with prefix anu-.

Prefix: anu

Root: bhū (class 1)

आशु (āśu) - consciousness experiencing a rapid succession of internal phenomena (quickly, swiftly, immediately)

(indeclinable)

Adverb.

Root: aś

Note: Modifies 'anubhavati'.

सः (saḥ) - referring to the state described (that, he)

(pronoun)

Nominative, masculine, singular of tad

tad - that, this, he, she, it

Demonstrative pronoun.

स्वप्नः (svapnaḥ) - the state of dreaming (dream, sleep)

(noun)

Nominative, masculine, singular of svapna

svapna - sleep, dream

Derived from root svap- (to sleep).

Root: svap (class 2)

Note: Predicate nominative.

इति (iti) - marks the preceding word as a designation or quote (thus, in this way, so-called)

(indeclinable)

Particle.

Root: i (class 2)

कथ्यते (kathyate) - this state is designated as 'dream' (is said, is called, is narrated)

(verb)

3rd person , singular, passive, present (laṭ) of kath

Present Tense

Denominative verb from 'kathā' (story), usually 10th class, here passive.

Root: kath (class 10)