योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-61, verse-7

स्वप्नोऽयं पुरुषस्यास्य प्रतिभासस्य यो भवेत् ।
रामाऽस्मदादिसर्वात्मा भवेत्तादृश एव च ॥ ७ ॥

svapno'yaṃ puruṣasyāsya pratibhāsasya yo bhavet ,
rāmā'smadādisarvātmā bhavettādṛśa eva ca 7

7. svapnaḥ ayam puruṣasya asya pratibhāsasya yaḥ bhavet
rāma asmad-ādi-sarvātmā bhavet tādṛśaḥ eva ca

7. rāma! asya puruṣasya yaḥ ayam pratibhāsasya svapnaḥ bhavet,
(tathā) ca asmad-ādi-sarvātmā eva tādṛśaḥ bhavet.

7. O Rāma, just as this dream, which manifests as an appearance for a person, so also the universal Self (ātman) that encompasses us and all others is of that very nature.

Words meanings summery:

• स्वप्नः (svapnaḥ) - dream

• अयम् (ayam) - this

• पुरुषस्य (puruṣasya) - of the person

• अस्य (asya) - of this

• प्रतिभासस्य (pratibhāsasya) - of the appearance, of the manifestation

• यः (yaḥ) - which, who

• भवेत् (bhavet) - may be, should be, becomes

• राम (rāma) - O Rama

• अस्मद्-आदि-सर्वात्मा (asmad-ādi-sarvātmā) - the universal Self (ātman) of us and others

• भवेत् (bhavet) - may be, should be, becomes

• तादृशः (tādṛśaḥ) - of that kind, such

• एव (eva) - indeed, only, just

• च (ca) - and

Words meanings and morphology

स्वप्नः (svapnaḥ) - dream

(noun)

Nominative, masculine, singular of svapna

svapna - dream, sleep, illusion

Root: svap (class 2)

अयम् (ayam) - this

(pronoun)

Nominative, masculine, singular of idam

idam - this, here

पुरुषस्य (puruṣasya) - of the person

(noun)

Genitive, masculine, singular of puruṣa

puruṣa - man, human being, person, male, the Supreme Cosmic Person (puruṣa)

अस्य (asya) - of this

(pronoun)

Genitive, masculine, singular of idam

idam - this, here

प्रतिभासस्य (pratibhāsasya) - of the appearance, of the manifestation

(noun)

Genitive, masculine, singular of pratibhāsa

pratibhāsa - appearance, manifestation, splendor, illusion

prati (prefix) + bhāṣ (root)

Prefix: prati

Root: bhāṣ (class 1)

यः (yaḥ) - which, who

(pronoun)

Nominative, masculine, singular of yad

yad - who, which, what

भवेत् (bhavet) - may be, should be, becomes

(verb)

3rd person , singular, active, optative (vidhiliṅ) of bhū

Root: bhū (class 1)

राम (rāma) - O Rama

(proper noun)

Vocative, masculine, singular of rāma

rāma - Rāma (a proper name), pleasing, beautiful

अस्मद्-आदि-सर्वात्मा (asmad-ādi-sarvātmā) - the universal Self (ātman) of us and others

(noun)

Nominative, masculine, singular of asmad-ādi-sarvātmā

asmad-ādi-sarvātmā - the Self (ātman) of all, beginning with us

Compound type : tatpuruṣa (asmad+ādi+sarva+ātman)

• asmad – us, we
  pronoun
• ādi – beginning, etc., and so on
  indeclinable (masculine)
• sarva – all, whole, entire
  adjective
• ātman – self, soul, spirit, the Supreme Self (ātman)
  noun (masculine)

भवेत् (bhavet) - may be, should be, becomes

(verb)

3rd person , singular, active, optative (vidhiliṅ) of bhū

Root: bhū (class 1)

तादृशः (tādṛśaḥ) - of that kind, such

(adjective)

Nominative, masculine, singular of tādṛśa

tādṛśa - of that appearance, such, similar

एव (eva) - indeed, only, just

(indeclinable)

च (ca) - and

(indeclinable)