योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-96, verse-40

तिष्ठत्यनन्यरूपैव ब्रह्मसत्ता तथैव हि ।
यत्परं चित्स्वरूपेण स्थितमात्मनि मन्थरम् ॥ ४० ॥

tiṣṭhatyananyarūpaiva brahmasattā tathaiva hi ,
yatparaṃ citsvarūpeṇa sthitamātmani mantharam 40

40. tiṣṭhati ananya-rūpā eva brahman-sattā tathā eva hi
yat param cit-svarūpeṇa sthitam ātmani mantharam

40. tathā eva hi brahman-sattā ananya-rūpā eva tiṣṭhati
yat param cit-svarūpeṇa ātmani sthitam mantharam

40. In the same way, the existence of the ultimate reality (Brahman-sattā) remains non-dual in form. That supreme reality, which steadily resides in the Self (ātman) as pure consciousness (cit-svarūpeṇa), is indeed this.

Words meanings summery:

• तिष्ठति (tiṣṭhati) - remains, stands, abides, stays

• अनन्य-रूपा (ananya-rūpā) - having no other form, non-dual in form, of unique nature

• एव (eva) - only, just, indeed, precisely

• ब्रह्मन्-सत्ता (brahman-sattā) - the existence of the ultimate reality (Brahman), the reality of Brahman

• तथा (tathā) - thus, so, in the same way

• एव (eva) - only, just, indeed, precisely

• हि (hi) - indeed, surely, because, for

• यत् (yat) - which, that which, whatever

• परम् (param) - supreme, ultimate, highest, greatest

• चित्-स्वरूपेण (cit-svarūpeṇa) - by its nature of consciousness, as pure consciousness

• स्थितम् (sthitam) - situated, existing, remaining, standing

• आत्मनि (ātmani) - in the Self, in the soul, in oneself

• मन्थरम् (mantharam) - slowly, gently, steadily, quietly

Words meanings and morphology

तिष्ठति (tiṣṭhati) - remains, stands, abides, stays

(verb)

3rd person , singular, active, present (laṭ) of √sthā

Root of the 1st conjugation (bhvādi)

Root: √sthā (class 1)

अनन्य-रूपा (ananya-rūpā) - having no other form, non-dual in form, of unique nature

(adjective)

Nominative, feminine, singular of ananya-rūpa

ananya-rūpa - having no other form, non-dual in nature

Bahuvrīhi compound: 'ananya' (no other) + 'rūpa' (form).

Compound type : bahuvrīhi (ananya+rūpa)

• ananya – no other, not different, non-separate
  adjective (masculine)
  Nañ-tatpuruṣa compound of 'a' (not) and 'anya' (other).
• rūpa – form, shape, nature, appearance
  noun (neuter)

Note: Agrees with 'brahman-sattā'.

एव (eva) - only, just, indeed, precisely

(indeclinable)

ब्रह्मन्-सत्ता (brahman-sattā) - the existence of the ultimate reality (Brahman), the reality of Brahman

(noun)

Nominative, feminine, singular of brahman-sattā

brahman-sattā - the existence or reality of Brahman

Compound of 'brahman' and 'sattā'.

Compound type : tatpuruṣa (brahman+sattā)

• brahman – the ultimate reality (Brahman), the Absolute
  noun (neuter)
• sattā – existence, being, reality, essence
  noun (feminine)
  Derived from √as (to be) + '-tā' (abstract suffix).
  Root: √as (class 2)

तथा (tathā) - thus, so, in the same way

(indeclinable)

एव (eva) - only, just, indeed, precisely

(indeclinable)

हि (hi) - indeed, surely, because, for

(indeclinable)

यत् (yat) - which, that which, whatever

(pronoun)

Nominative, neuter, singular of yad

yad - which, what, that which

परम् (param) - supreme, ultimate, highest, greatest

(adjective)

Nominative, neuter, singular of para

para - supreme, ultimate, highest; other, subsequent

चित्-स्वरूपेण (cit-svarūpeṇa) - by its nature of consciousness, as pure consciousness

(noun)

Instrumental, neuter, singular of cit-svarūpa

cit-svarūpa - nature of consciousness, essential form of consciousness

Compound of 'cit' (consciousness) and 'svarūpa' (own form, essential nature).

Compound type : tatpuruṣa (cit+svarūpa)

• cit – consciousness, pure awareness, intellect
  noun (feminine)
• svarūpa – own form, essential nature, identity
  noun (neuter)
  Compound of 'sva' (own) and 'rūpa' (form).

स्थितम् (sthitam) - situated, existing, remaining, standing

(adjective)

Nominative, neuter, singular of sthita

sthita - stood, situated, existing, firm

Past Passive Participle

Past passive participle of √sthā

Root: √sthā (class 1)

Note: Agrees with 'yat param'.

आत्मनि (ātmani) - in the Self, in the soul, in oneself

(noun)

Locative, masculine, singular of ātman

ātman - the Self (ātman), soul, spirit, essence

मन्थरम् (mantharam) - slowly, gently, steadily, quietly

(indeclinable)

Note: Used adverbially here.