योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-29, verse-36

यथा दीपो निवातस्थः स्वात्मन्येवावतिष्ठते ।
साक्षिवत्सर्वभावेषु तथा तिष्ठेज्जगत्स्थितौ ॥ ३६ ॥

yathā dīpo nivātasthaḥ svātmanyevāvatiṣṭhate ,
sākṣivatsarvabhāveṣu tathā tiṣṭhejjagatsthitau 36

36. yathā dīpaḥ nivātasthaḥ sva ātmani eva avatiṣṭhate
sākṣivat sarvabhāveṣu tathā tiṣṭhet jagatsthitau

36. yathā nivātasthaḥ dīpaḥ sva ātmani eva avatiṣṭhate
tathā sarvabhāveṣu jagatsthitau sākṣivat tiṣṭhet

36. Just as a lamp, standing in a windless place, remains steady in its own self (ātman), so too should one abide like a witness amidst all phenomena and the world's existence.

Words meanings summery:

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

• दीपः (dīpaḥ) - a lamp (lamp, light, lantern)

• निवातस्थः (nivātasthaḥ) - standing in a windless place (standing in a windless place, still)

• स्व (sva) - own (own, one's own, self)

• आत्मनि (ātmani) - in its own self (ātman) (in the self, in the soul)

• एव (eva) - only/indeed (only, just, indeed, certainly)

• अवतिष्ठते (avatiṣṭhate) - remains steady (stands, remains, abides, exists)

• साक्षिवत् (sākṣivat) - like a witness (like a witness, as a witness)

• सर्वभावेषु (sarvabhāveṣu) - amidst all phenomena (in all states of being, in all things/phenomena)

• तथा (tathā) - so too (so, thus, in that way)

• तिष्ठेत् (tiṣṭhet) - should abide (one should stand, one should remain, one should abide)

• जगत्स्थितौ (jagatsthitau) - in the world's existence (in the existence of the world, in the state of the world)

Words meanings and morphology

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

(indeclinable)

दीपः (dīpaḥ) - a lamp (lamp, light, lantern)

(noun)

Nominative, masculine, singular of dīpa

dīpa - lamp, light, lantern, anything which illuminates

From root dīp (to shine).

Root: dīp (class 4)

निवातस्थः (nivātasthaḥ) - standing in a windless place (standing in a windless place, still)

(adjective)

Nominative, masculine, singular of nivātastha

nivātastha - standing in a windless place, still, calm

Composed of nivāta (windless) and stha (standing).

Compound type : Upapada Tatpurusha (nivāta+stha)

• nivāta – windless, calm, sheltered from wind; a windless spot
  noun (masculine)
  Prefix: ni
• stha – standing, staying, situated, being in
  adjective (masculine)
  Root sthā + suffix a.
  Root: sthā (class 1)

Note: Qualifies dīpaḥ.

स्व (sva) - own (own, one's own, self)

(adjective)

Locative, masculine, singular of sva

sva - own, one's own; self, soul; one's kinsmen, property

Note: Here it functions as an adjective modifying ātmani.

आत्मनि (ātmani) - in its own self (ātman) (in the self, in the soul)

(noun)

Locative, masculine, singular of ātman

ātman - self, soul, spirit, individual soul, Supreme Soul, Brahman (brahman)

Root: an (class 2)

एव (eva) - only/indeed (only, just, indeed, certainly)

(indeclinable)

अवतिष्ठते (avatiṣṭhate) - remains steady (stands, remains, abides, exists)

(verb)

3rd person , singular, middle, present (laṭ) of sthā

Present Tense, Middle Voice (Ātmanepada)

From root sthā with prefix ava.

Prefix: ava

Root: sthā (class 1)

साक्षिवत् (sākṣivat) - like a witness (like a witness, as a witness)

(indeclinable)

Suffix vat (like, similar to) added to sākṣin (witness).

सर्वभावेषु (sarvabhāveṣu) - amidst all phenomena (in all states of being, in all things/phenomena)

(noun)

Locative, masculine, plural of sarvabhāva

sarvabhāva - all states of being, all things, all substances, all existence

Compound of sarva (all) and bhāva (state, nature, being, thing).

Compound type : Tatpurusha (sarva+bhāva)

• sarva – all, every, whole, entire
  pronoun (masculine)
• bhāva – state, condition, nature, existence, feeling, object, thing, phenomenon
  noun (masculine)
  From root bhū (to be, exist).
  Root: bhū (class 1)

तथा (tathā) - so too (so, thus, in that way)

(indeclinable)

तिष्ठेत् (tiṣṭhet) - should abide (one should stand, one should remain, one should abide)

(verb)

3rd person , singular, active, optative (vidhi-liṅ) of sthā

Optative Mood, Parasmaipada

vidhi-liṅ (Optative) of sthā.

Root: sthā (class 1)

Note: Implies 'one' or 'he' (the seeker/yogi) as the subject.

जगत्स्थितौ (jagatsthitau) - in the world's existence (in the existence of the world, in the state of the world)

(noun)

Locative, feminine, singular of jagatsthiti

jagatsthiti - the existence/stability of the world, the state of the world

Compound of jagat (world) and sthiti (state, existence, stability).

Compound type : ṣaṣṭhī Tatpuruṣa (jagat+sthiti)

• jagat – world, universe, moving, living
  noun (neuter)
  Present participle of gam (to go), used as noun.
  Root: gam (class 1)
• sthiti – standing, remaining, existence, state, stability, condition
  noun (feminine)
  From root sthā + ti suffix.
  Root: sthā (class 1)