योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-175, verse-62

स्वप्ने च प्रत्यभिज्ञायाः संस्कारस्य स्मृतेस्तथा ।
न सत्ता तदिदं दृष्टमित्यर्थस्यात्यसंभवात् ॥ ६२ ॥

svapne ca pratyabhijñāyāḥ saṃskārasya smṛtestathā ,
na sattā tadidaṃ dṛṣṭamityarthasyātyasaṃbhavāt 62

62. svapne ca pratyabhijñāyāḥ saṃskārasya smṛteḥ tathā
na sattā tat idam dṛṣṭam iti arthasya ati asaṃbhavāt

62. ca svapne pratyabhijñāyāḥ saṃskārasya tathā smṛteḥ
sattā na arthasya "tat idam dṛṣṭam" iti ati asaṃbhavāt

62. And in a dream, there is no real existence for recognition, for (latent mental) impressions (saṃskāra), or for memory; because the notion 'that this was seen before' is absolutely impossible (in the dream context).

Words meanings summery:

• स्वप्ने (svapne) - in a dream (in a dream, in sleep)

• च (ca) - and (introduces a new point) (and, also)

• प्रत्यभिज्ञायाः (pratyabhijñāyāḥ) - of the faculty of recognition (of recognition, of identification)

• संस्कारस्य (saṁskārasya) - of (latent mental) impressions (saṃskāra) (of impression, of latent tendency, of purification (saṃskāra))

• स्मृतेः (smṛteḥ) - of memory (of memory, of recollection)

• तथा (tathā) - and (connecting the list of genitives) (thus, so, and, in that manner)

• न (na) - not, no

• सत्ता (sattā) - real existence (existence, reality, being)

• तत् (tat) - that (refers to a past dream experience) (that, it)

• इदम् (idam) - this (refers to a current dream experience) (this)

• दृष्टम् (dṛṣṭam) - was seen (in the dream) (seen, perceived)

• इति (iti) - (indicating a quotation) (thus, so, end quote)

• अर्थस्य (arthasya) - of the notion/meaning (namely, 'that this was seen') (of the meaning, of the purpose, of the object)

• अति (ati) - extremely, absolutely (extremely, excessively, beyond)

• असंभवात् (asaṁbhavāt) - due to the extreme impossibility (due to impossibility, from non-existence)

Words meanings and morphology

स्वप्ने (svapne) - in a dream (in a dream, in sleep)

(noun)

Locative, masculine, singular of svapna

svapna - dream, sleep

locative singular of 'svapna'

Root: svap (class 2)

च (ca) - and (introduces a new point) (and, also)

(indeclinable)

प्रत्यभिज्ञायाः (pratyabhijñāyāḥ) - of the faculty of recognition (of recognition, of identification)

(noun)

Genitive, feminine, singular of pratyabhijñā

pratyabhijñā - recognition, identification

genitive singular of 'pratyabhijñā'

Prefixes: prati+abhi

Root: jñā (class 9)

Note: Governed by 'sattā na'.

संस्कारस्य (saṁskārasya) - of (latent mental) impressions (saṃskāra) (of impression, of latent tendency, of purification (saṃskāra))

(noun)

Genitive, masculine, singular of saṃskāra

saṁskāra - impression, latent tendency, purification, formation

genitive singular of 'saṃskāra'

Prefix: sam

Root: kṛ (class 8)

Note: Governed by 'sattā na'.

स्मृतेः (smṛteḥ) - of memory (of memory, of recollection)

(noun)

Genitive, feminine, singular of smṛti

smṛti - memory, recollection, tradition

genitive singular of 'smṛti'

Root: smṛ (class 1)

Note: Governed by 'sattā na'.

तथा (tathā) - and (connecting the list of genitives) (thus, so, and, in that manner)

(indeclinable)

Note: Functions like 'and'.

न (na) - not, no

(indeclinable)

Note: Negates 'sattā'.

सत्ता (sattā) - real existence (existence, reality, being)

(noun)

Nominative, feminine, singular of sattā

sattā - existence, reality, being

derived from 'sat' + 'tā' (abstract noun suffix)

Root: as

तत् (tat) - that (refers to a past dream experience) (that, it)

(pronoun)

Nominative, neuter, singular of tad

tad - that, it

nominative singular neuter of 'tad'

इदम् (idam) - this (refers to a current dream experience) (this)

(pronoun)

Nominative, neuter, singular of idam

idam - this, here

nominative singular neuter of 'idam'

दृष्टम् (dṛṣṭam) - was seen (in the dream) (seen, perceived)

(adjective)

Nominative, neuter, singular of dṛṣṭa

dṛṣṭa - seen, perceived

Past Passive Participle

from root dṛś (to see)

Root: dṛś (class 1)

इति (iti) - (indicating a quotation) (thus, so, end quote)

(indeclinable)

Note: Marks the end of the clause/quote.

अर्थस्य (arthasya) - of the notion/meaning (namely, 'that this was seen') (of the meaning, of the purpose, of the object)

(noun)

Genitive, masculine, singular of artha

artha - meaning, purpose, object, thing, wealth

genitive singular of 'artha'

Root: ṛ

Note: Governed by 'asaṃbhavāt'.

अति (ati) - extremely, absolutely (extremely, excessively, beyond)

(indeclinable)

preposition/prefix, used here as an adverb

असंभवात् (asaṁbhavāt) - due to the extreme impossibility (due to impossibility, from non-existence)

(noun)

Ablative, masculine, singular of asaṃbhava

asaṁbhava - impossibility, non-existence

ablative singular of 'asaṃbhava', compound of a (negation) + saṃbhava (possibility)

Compound type : Nañ-Tatpuruṣa (a+saṃbhava)

• a – not, non-, un-
  indeclinable
  negating prefix
• saṃbhava – possibility, occurrence, birth
  noun (masculine)
  from root bhū with prefix sam
  Prefix: sam
  Root: bhū (class 1)

Note: Indicates reason.