योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-2, verse-23

विज्ञानघनमेवैकमिदमेवमवस्थितम् ।
सोदयास्तमयारम्भमनन्तं शान्तमाततम् ॥ २३ ॥

vijñānaghanamevaikamidamevamavasthitam ,
sodayāstamayārambhamanantaṃ śāntamātatam 23

23. vijñānaghanam eva ekam idam evam avasthitam
sa-udaya-astamaya-ārambham anantam śāntam ātatam

23. idam ekam vijñānaghanam eva evam avasthitam
sa-udaya-astamaya-ārambham anantam śāntam ātatam

23. This one reality is an intensely conscious (vijñānaghana) mass, thus established. It is the origin of both appearance and disappearance, endless, tranquil, and all-pervading.

Words meanings summery:

• विज्ञानघनम् (vijñānaghanam) - a solid mass of consciousness, intensely conscious

• एव (eva) - indeed, only, just, emphatic particle

• एकम् (ekam) - one, single, unique

• इदम् (idam) - this, this one

• एवम् (evam) - thus, in this manner, so

• अवस्थितम् (avasthitam) - established, situated, existing, abiding

• स-उदय-अस्तमय-आरम्भम् (sa-udaya-astamaya-ārambham) - the origin of both appearance and disappearance (having the beginning of rising and setting, that which originates the cycles of appearance and disappearance)

• अनन्तम् (anantam) - endless, infinite, boundless

• शान्तम् (śāntam) - peaceful, tranquil, calm, pacified

• आततम् (ātatam) - pervading, extended, spread out, diffused

Words meanings and morphology

विज्ञानघनम् (vijñānaghanam) - a solid mass of consciousness, intensely conscious

(adjective)

Nominative, neuter, singular of vijñānaghana

vijñānaghana - dense with consciousness, solid mass of knowledge/consciousness

Compound type : tatpurusha (vijñāna+ghana)

• vijñāna – consciousness, knowledge, discriminative knowledge
  noun (neuter)
  Prefix: vi
  Root: jñā (class 9)
• ghana – dense, solid, mass, cloud
  adjective (masculine)

Note: Predicative adjective.

एव (eva) - indeed, only, just, emphatic particle

(indeclinable)

एकम् (ekam) - one, single, unique

(adjective)

Nominative, neuter, singular of eka

eka - one, single, unique, alone

Note: Qualifies idam.

इदम् (idam) - this, this one

(pronoun)

Nominative, neuter, singular of idam

idam - this, this one

Demonstrative pronoun.

Note: Refers to the ultimate reality or Brahman.

एवम् (evam) - thus, in this manner, so

(indeclinable)

Adverbial particle.

Note: Modifies avasthitam.

अवस्थितम् (avasthitam) - established, situated, existing, abiding

(adjective)

Nominative, neuter, singular of avasthita

avasthita - established, situated, present, existing

Past Passive Participle

Derived from root sthā with prefix ava.

Prefix: ava

Root: sthā (class 1)

Note: Qualifies idam.

स-उदय-अस्तमय-आरम्भम् (sa-udaya-astamaya-ārambham) - the origin of both appearance and disappearance (having the beginning of rising and setting, that which originates the cycles of appearance and disappearance)

(adjective)

Nominative, neuter, singular of sa-udaya-astamaya-ārambha

sa-udaya-astamaya-ārambha - having a beginning with rising and setting, that which initiates cycles of appearance and dissolution

Compound formed with sa (with) + udaya (rising) + astamaya (setting) + ārambha (beginning). udaya-astamaya-ārambha is a tatpurusha, then sa- forms a bahuvrihi.

Compound type : bahuvrihi (sa+udaya+astamaya+ārambha)

• sa – with, accompanied by
  indeclinable
• udaya – rising, appearance, dawn, origin
  noun (masculine)
  Derived from ud-i (to rise).
  Prefix: ud
  Root: i (class 2)
• astamaya – setting, disappearance, end
  noun (masculine)
  Derived from asta (home/set) + aya (going).
  Root: i (class 2)
• ārambha – beginning, commencement, origin
  noun (masculine)
  Derived from root rabh with prefix ā.
  Prefix: ā
  Root: rabh (class 1)

Note: Qualifies idam.

अनन्तम् (anantam) - endless, infinite, boundless

(adjective)

Nominative, neuter, singular of ananta

ananta - endless, infinite, eternal, boundless

na (negation) + anta (end).

Compound type : nañ-tatpurusha (a+anta)

• a – not, un-
  indeclinable
  Negative prefix.
• anta – end, limit, border, death
  noun (masculine)

Note: Qualifies idam.

शान्तम् (śāntam) - peaceful, tranquil, calm, pacified

(adjective)

Nominative, neuter, singular of śānta

śānta - peaceful, calm, tranquil, quiet, pacified

Past Passive Participle

Derived from root śam (to be calm).

Root: śam (class 4)

Note: Qualifies idam.

आततम् (ātatam) - pervading, extended, spread out, diffused

(adjective)

Nominative, neuter, singular of ātata

ātata - extended, spread, pervading, stretched

Past Passive Participle

Derived from root tan with prefix ā.

Prefix: ā

Root: tan (class 8)

Note: Qualifies idam.