योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-193, verse-14

ज्ञाताज्ञातमनिर्भासं ब्रह्मैकमजरं तथा ।
शून्यत्वैकत्वनीलत्वरूपमेकं नभो यथा ॥ १४ ॥

jñātājñātamanirbhāsaṃ brahmaikamajaraṃ tathā ,
śūnyatvaikatvanīlatvarūpamekaṃ nabho yathā 14

14. jñāta-ajñātam anirbhāsam brahma ekam ajaram tathā
śūnyatva-ekatva-nīlatva-rūpam ekam nabhaḥ yathā

14. ekam brahma tathā ajaram jñāta-ajñātam anirbhāsam
yathā ekam nabhaḥ śūnyatva-ekatva-nīlatva-rūpam

14. That one (brahman) is imperishable, both known and unknown, and without distinct manifestation. It is like the single sky (nabhaḥ), which, while being one, is characterized by its emptiness, oneness, and apparent blueness.

Words meanings summery:

• ज्ञात-अज्ञातम् (jñāta-ajñātam) - both known and unknown (known and unknown, comprehended and uncomprehended)

• अनिर्भासम् (anirbhāsam) - without distinct manifestation (unmanifested, indistinct, not shining forth)

• ब्रह्म (brahma) - Brahman (the ultimate reality) (Brahman, the ultimate reality, sacred word)

• एकम् (ekam) - one, single (one, single, unique)

• अजरम् (ajaram) - imperishable (ageless, undecaying, imperishable)

• तथा (tathā) - and similarly (thus, so, in that manner, similarly)

• शून्यत्व-एकत्व-नीलत्व-रूपम् (śūnyatva-ekatva-nīlatva-rūpam) - characterized by its emptiness, oneness, and apparent blueness (having the form/nature of emptiness, oneness, and blueness)

• एकम् (ekam) - single (one, single, unique)

• नभः (nabhaḥ) - sky (nabhaḥ), space (sky, atmosphere, ether, space)

• यथा (yathā) - just as, like (as, just as, according to)

Words meanings and morphology

ज्ञात-अज्ञातम् (jñāta-ajñātam) - both known and unknown (known and unknown, comprehended and uncomprehended)

(adjective)

Nominative, neuter, singular of jñāta-ajñāta

jñāta-ajñāta - known and unknown, comprehended and uncomprehended

Compound of 'jñāta' (known) and 'ajñāta' (unknown)

Compound type : itaretara-dvandva (jñāta+ajñāta)

• jñāta – known, understood
  adjective
  Past Passive Participle
  from jñā-
  Root: jñā (class 9)
• ajñāta – unknown, not known
  adjective
  Past Passive Participle
  from a- + jñā-
  Root: jñā (class 9)

अनिर्भासम् (anirbhāsam) - without distinct manifestation (unmanifested, indistinct, not shining forth)

(adjective)

Nominative, neuter, singular of anirbhāsa

anirbhāsa - unmanifested, indistinct, not shining forth, invisible

Compound of 'a-' (negation) + 'nirbhāsa' (shining forth, manifestation)

Compound type : nañ-tatpuruṣa (a+nirbhāsa)

• a – not, non-
  indeclinable
  negating prefix
• nirbhāsa – shining, manifestation, appearance
  noun (masculine)
  from nir- + bhās-
  Prefix: nir
  Root: bhās (class 1)

ब्रह्म (brahma) - Brahman (the ultimate reality) (Brahman, the ultimate reality, sacred word)

(noun)

Nominative, neuter, singular of brahman

brahman - Brahman, the ultimate reality, sacred word, Veda, prayer

Root: bṛh (class 1)

एकम् (ekam) - one, single (one, single, unique)

(adjective)

Nominative, neuter, singular of eka

eka - one, single, unique, sole

अजरम् (ajaram) - imperishable (ageless, undecaying, imperishable)

(adjective)

Nominative, neuter, singular of ajara

ajara - ageless, undecaying, imperishable, eternal

Compound of 'a-' (negation) + 'jara' (decay, old age)

Compound type : nañ-tatpuruṣa (a+jara)

• a – not, non-
  indeclinable
  negating prefix
• jara – decay, old age, infirmity
  noun (feminine)
  from root jṛ (to decay)
  Root: jṛ (class 1)

तथा (tathā) - and similarly (thus, so, in that manner, similarly)

(indeclinable)

शून्यत्व-एकत्व-नीलत्व-रूपम् (śūnyatva-ekatva-nīlatva-rūpam) - characterized by its emptiness, oneness, and apparent blueness (having the form/nature of emptiness, oneness, and blueness)

(adjective)

Nominative, neuter, singular of śūnyatva-ekatva-nīlatva-rūpa

śūnyatva-ekatva-nīlatva-rūpa - having the form/nature of emptiness, oneness, and blueness

Bahuvrīhi compound, meaning "that which has the form of emptiness, oneness, blueness."

Compound type : bahuvrīhi (śūnyatva+ekatva+nīlatva+rūpa)

• śūnyatva – emptiness, voidness
  noun (neuter)
  from śūnya (empty) + -tva (suffix for abstract noun)
• ekatva – oneness, unity
  noun (neuter)
  from eka (one) + -tva (suffix for abstract noun)
• nīlatva – blueness, blue color
  noun (neuter)
  from nīla (blue) + -tva (suffix for abstract noun)
• rūpa – form, nature, appearance, characteristic
  noun (neuter)

एकम् (ekam) - single (one, single, unique)

(adjective)

Nominative, neuter, singular of eka

eka - one, single, unique, sole

नभः (nabhaḥ) - sky (nabhaḥ), space (sky, atmosphere, ether, space)

(noun)

Nominative, neuter, singular of nabhas

nabhas - sky, atmosphere, ether, space, cloud

यथा (yathā) - just as, like (as, just as, according to)

(indeclinable)