योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-186, verse-5

शिवं शान्तमजं मौनममौनमजरं ततम् ।
सुशून्याशून्यमभवमनादिनिधनं ध्रुवम् ॥ ५ ॥

śivaṃ śāntamajaṃ maunamamaunamajaraṃ tatam ,
suśūnyāśūnyamabhavamanādinidhanaṃ dhruvam 5

5. śivam śāntamajam maunamamaunamajaram tatam
suśūnyāśūnyamabhavamanaadinidhanam dhruvam

5. śivam śāntamajam maunamamaunamajaram tatam
suśūnyāśūnyamabhavamanaadinidhanam dhruvam

5. It is auspicious, peaceful and unborn, silent yet not silent, ageless, pervasive, both utterly void and not void, without origin, without beginning or end, and eternal.

Words meanings summery:

• शिवम् (śivam) - auspicious, benevolent, peaceful

• शान्तमजम् (śāntamajam) - peaceful and unborn

• मौनममौनमजरम् (maunamamaunamajaram) - silent, not silent, and ageless

• ततम् (tatam) - pervasive, extended, diffused

• सुशून्याशून्यमभवमनअदिनिधनम् (suśūnyāśūnyamabhavamanaadinidhanam) - both utterly void and not void, without origin, without beginning or end

• ध्रुवम् (dhruvam) - eternal, constant, firm

Words meanings and morphology

शिवम् (śivam) - auspicious, benevolent, peaceful

(adjective)

Accusative, neuter, singular of śiva

śiva - auspicious, propitious, benevolent, gracious; (noun) a name of Śiva

Note: Used as an epithet for Brahman, implied.

शान्तमजम् (śāntamajam) - peaceful and unborn

(adjective)

Accusative, neuter, singular of śāntamajam

śāntamajam - peaceful and unborn; (compound adjective)

Compound type : dvandva (śānta+aja)

• śānta – peaceful, tranquil, calm, quieted
  participle
  Past Passive Participle
  Derived from the root śam (to be quiet, calm)
  Root: śam (class 4)
• aja – unborn, not born; (noun) goat
  adjective
  Derived from 'a-' (negation) and root jan (to be born)
  Prefix: a
  Root: jan (class 4)

मौनममौनमजरम् (maunamamaunamajaram) - silent, not silent, and ageless

(adjective)

Accusative, neuter, singular of maunamamaunamajaram

maunamamaunamajaram - silent, not silent, and ageless; (compound adjective)

Compound type : dvandva (mauna+amauna+ajara)

• mauna – silence, taciturnity; silent, taciturn
  noun (neuter)
  Derived from 'muni' (sage)
• amauna – not silent, not taciturn
  adjective
  Negation 'a-' with 'mauna'
  Prefix: a
• ajara – ageless, undecaying, immortal
  adjective
  Negation 'a-' with 'jara' (decay)
  Prefix: a
  Root: jṝ (class 9)

ततम् (tatam) - pervasive, extended, diffused

(participle)

Accusative, neuter, singular of tata

tata - extended, spread, pervaded, diffused

Past Passive Participle

Derived from the root tan (to spread, extend)

Root: tan (class 8)

सुशून्याशून्यमभवमनअदिनिधनम् (suśūnyāśūnyamabhavamanaadinidhanam) - both utterly void and not void, without origin, without beginning or end

(adjective)

Accusative, neuter, singular of suśūnyāśūnyamabhavamanaadinidhanam

suśūnyāśūnyamabhavamanaadinidhanam - both utterly void and not void, without origin, without beginning or end; (compound adjective)

Compound type : dvandva-tatpuruṣa (suśūnya-aśūnya+abhava+anādi-nidhana)

• suśūnya – perfectly void, utterly empty
  adjective
  Prefix 'su-' (good, excellent) with 'śūnya' (void)
  Prefix: su
• aśūnya – not void, not empty, full
  adjective
  Negation 'a-' with 'śūnya' (void)
  Prefix: a
• abhava – non-existence, non-production; without origin, not born
  adjective
  Negation 'a-' with 'bhava' (existence, birth)
  Prefix: a
  Root: bhū (class 1)
• anādi-nidhana – without beginning or end
  adjective
  Compound of 'anādi' (without beginning) and 'nidhana' (end, destruction)

ध्रुवम् (dhruvam) - eternal, constant, firm

(adjective)

Accusative, neuter, singular of dhruva

dhruva - fixed, firm, constant, permanent, eternal; (noun) the Pole Star