योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-175, verse-49

यदेव ब्रह्म बुद्ध्यादि तदेवैतन्निरञ्जनम् ।
यदेव गगनं शान्तं शून्यं विद्धि तदेव तत् ॥ ४९ ॥

yadeva brahma buddhyādi tadevaitannirañjanam ,
yadeva gaganaṃ śāntaṃ śūnyaṃ viddhi tadeva tat 49

49. yat eva brahma buddhyādi tat eva etat nirañjanam
yat eva gaganam śāntam śūnyam viddhi tat eva tat

49. yat brahma buddhyādi eva tat etat nirañjanam eva
ca yat gaganam śāntam śūnyam eva tat tat viddhi

49. Whatever is (brahman) Brahman, which encompasses the intellect and all other mental faculties, that itself is this untainted (reality). And whatever is the tranquil, void sky (gagana), know that too to be the same ultimate reality.

Words meanings summery:

• यत् (yat) - Which, whatever.

• एव (eva) - Indeed, certainly, only, just.

• ब्रह्म (brahma) - Brahman (brahman), the Absolute.

• बुद्ध्यादि (buddhyādi) - Including the intellect and other mental faculties. (Beginning with intellect, etc., including intellect and others.)

• तत् (tat) - That.

• एव (eva) - Indeed, certainly, only, just.

• एतत् (etat) - This.

• निरञ्जनम् (nirañjanam) - Taintless, pure, spotless, unblemished.

• यत् (yat) - Which, whatever.

• एव (eva) - Indeed, certainly, only, just.

• गगनम् (gaganam) - Sky, atmosphere, ether.

• शान्तम् (śāntam) - Peaceful, tranquil, quieted.

• शून्यम् (śūnyam) - Void, empty, zero.

• विद्धि (viddhi) - Know, understand.

• तत् (tat) - That.

• एव (eva) - Indeed, certainly, only, just.

• तत् (tat) - That.

Words meanings and morphology

यत् (yat) - Which, whatever.

(pronoun)

Nominative, neuter, singular of yad

yad - Which, whatever, that which.

एव (eva) - Indeed, certainly, only, just.

(indeclinable)

ब्रह्म (brahma) - Brahman (brahman), the Absolute.

(noun)

Nominative, neuter, singular of brahman

brahman - The Absolute Reality, the Supreme Being, sacred utterance.

Root: bṛh (class 1)

बुद्ध्यादि (buddhyādi) - Including the intellect and other mental faculties. (Beginning with intellect, etc., including intellect and others.)

(noun)

Nominative, neuter, singular of buddhyādi

buddhyādi - Beginning with intellect, etc.

Compound with 'ādi' as the final member.

Compound type : tatpuruṣa (buddhi+ādi)

• buddhi – Intellect, understanding.
  noun (feminine)
  From root 'budh' + 'kti'.
  Root: budh (class 1)
• ādi – Beginning, etc.
  noun (masculine)

तत् (tat) - That.

(pronoun)

Nominative, neuter, singular of tad

tad - That.

एव (eva) - Indeed, certainly, only, just.

(indeclinable)

एतत् (etat) - This.

(pronoun)

Nominative, neuter, singular of etad

etad - This.

निरञ्जनम् (nirañjanam) - Taintless, pure, spotless, unblemished.

(adjective)

Nominative, neuter, singular of nirañjana

nirañjana - Taintless, pure, spotless.

Formed from 'nir' + 'añjana' (collyrium, stain).

Compound type : prādi-tatpuruṣa (nir+añjana)

• nis – Without, out.
  indeclinable
  Upasarga.
• añjana – Anointing, ointment, collyrium, stain.
  noun (neuter)
  From root 'añj' + 'ana' suffix.
  Root: añj (class 7)

यत् (yat) - Which, whatever.

(pronoun)

Nominative, neuter, singular of yad

yad - Which, whatever, that which.

एव (eva) - Indeed, certainly, only, just.

(indeclinable)

गगनम् (gaganam) - Sky, atmosphere, ether.

(noun)

Nominative, neuter, singular of gagana

gagana - Sky, atmosphere, ether.

From root 'gam' (to go) by reduplication.

Root: gam (class 1)

शान्तम् (śāntam) - Peaceful, tranquil, quieted.

(adjective)

Nominative, neuter, singular of śānta

śānta - Peaceful, tranquil, quieted.

Past Passive Participle

From root 'śam' + 'kta' suffix.

Root: śam (class 4)

Note: Adjective modifying 'gaganam'.

शून्यम् (śūnyam) - Void, empty, zero.

(adjective)

Nominative, neuter, singular of śūnya

śūnya - Void, empty, zero, non-existent.

From root 'śū' (to swell, grow) or 'śūny' (to be empty).

Root: śū (class 1)

Note: Adjective modifying 'gaganam'.

विद्धि (viddhi) - Know, understand.

(verb)

2nd person , singular, active, imperative (loṭ) of vid

Root: vid (class 2)

तत् (tat) - That.

(pronoun)

Nominative, neuter, singular of tad

tad - That.

एव (eva) - Indeed, certainly, only, just.

(indeclinable)

तत् (tat) - That.

(pronoun)

Nominative, neuter, singular of tad

tad - That.