योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-186, verse-45

समता सत्यता सत्ता चैकता निर्विकारिता ।
आधाराधेयतान्योन्यं चैतयोर्विश्वसंविदोः ॥ ४५ ॥

samatā satyatā sattā caikatā nirvikāritā ,
ādhārādheyatānyonyaṃ caitayorviśvasaṃvidoḥ 45

45. samatā satyatā sattā ca ekatā nirvikāritā
ādhārādheyatā anyonyam ca etayoḥ viśva saṃvidoḥ

45. samatā,
satyatā,
sattā,
ca ekatā,
nirvikāritā,
[tathā] ādhārādheyatā anyonyam ca,
etayoḥ viśva-saṃvidoḥ [bhavati].

45. Equanimity, truthfulness, pure existence, and oneness, changelessness (nirvikāritā), and the mutual relationship of substratum and supported (ādhārādheyatā) exist between these two: the universe and consciousness (saṃvit).

Words meanings summery:

• समता (samatā) - equanimity, equality, sameness

• सत्यता (satyatā) - truthfulness, reality, essential truth

• सत्ता (sattā) - existence, being, reality

• च (ca) - and, also

• एकता (ekatā) - oneness, unity

• निर्विकारिता (nirvikāritā) - changelessness, immutability

• आधाराधेयता (ādhārādheyatā) - the mutual relationship of substratum and supported (the state of being substratum and superstratum)

• अन्योन्यम् (anyonyam) - mutually, reciprocally, each other

• च (ca) - and, also

• एतयोः (etayoḥ) - of these two

• विश्व (viśva) - universe

• संविदोः (saṁvidoḥ) - of consciousness

Words meanings and morphology

समता (samatā) - equanimity, equality, sameness

(noun)

Nominative, feminine, singular of samatā

samatā - equanimity, equality, impartiality, sameness

From sama (same, equal) + tā (suffix forming abstract feminine nouns).

Note: One of the enumerated qualities.

सत्यता (satyatā) - truthfulness, reality, essential truth

(noun)

Nominative, feminine, singular of satyatā

satyatā - truthfulness, reality, genuineness, state of being true

From satya (true, real) + tā (suffix).

Note: One of the enumerated qualities.

सत्ता (sattā) - existence, being, reality

(noun)

Nominative, feminine, singular of sattā

sattā - existence, being, reality, essence

From sat (being, existing, true) + tā (suffix).

Root: as (class 2)

Note: One of the enumerated qualities.

च (ca) - and, also

(indeclinable)

Conjunction.

Note: Connects sattā and ekatā.

एकता (ekatā) - oneness, unity

(noun)

Nominative, feminine, singular of ekatā

ekatā - oneness, unity, identity, harmony

From eka (one) + tā (suffix).

Note: One of the enumerated qualities.

निर्विकारिता (nirvikāritā) - changelessness, immutability

(noun)

Nominative, feminine, singular of nirvikāritā

nirvikāritā - changelessness, immutability, freedom from change (nirvikāritā)

From nirvikāra (unchanging) + tā (suffix). nir (without) + vikāra (change).

Note: One of the enumerated qualities.

आधाराधेयता (ādhārādheyatā) - the mutual relationship of substratum and supported (the state of being substratum and superstratum)

(noun)

Nominative, feminine, singular of ādhārādheyatā

ādhārādheyatā - the state of being a support (ādhāra) and being supported (ādheya)

From ādhāra + ādheya + tā.

Compound type : dvandva-like tatpurusha (ādhāra+ādheya+tā)

• ādhāra – support, basis, substratum, container
  noun (masculine)
  From ā-√dhṛ (to hold, support).
  Prefix: ā
  Root: dhṛ (class 1)
• ādheya – to be supported, contained, held, the thing contained
  adjective (neuter)
  Gerundive / Future Passive Participle
  From ā-√dhā (to place, contain).
  Prefix: ā
  Root: dhā (class 3)
• tā – suffix forming abstract feminine nouns (state of being)
  indeclinable

Note: One of the enumerated qualities.

अन्योन्यम् (anyonyam) - mutually, reciprocally, each other

(indeclinable)

From anya (another) + anya (another).

Compound type : dvandva (anya+anya)

• anya – other, another
  pronoun

Note: Modifies the relationship.

च (ca) - and, also

(indeclinable)

Conjunction.

एतयोः (etayoḥ) - of these two

(pronoun)

Genitive, dual of etat

etat - this, that

From pronominal stem etad.

Note: Refers to viśva and saṃvit.

विश्व (viśva) - universe

(noun)

Genitive, neuter, singular of viśva

viśva - all, whole, universe, cosmic

Note: In viśva-saṃvidoḥ.

संविदोः (saṁvidoḥ) - of consciousness

(noun)

Genitive, feminine, dual of saṃvid

saṁvid - consciousness, knowledge, understanding (saṃvit)

From sam-√vid.

Prefix: sam

Root: vid (class 2)

Note: viśva-saṃvidoḥ is a dvandva compound "of the universe and consciousness", hence dual genitive.