योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-26, verse-33

यथा मञ्चकसंस्थस्य स्पन्दन्ते नैव वा शिशोः ।
अङ्गानि स्वानुसंधानं विनैवंविदितात्मनः ॥ ३३ ॥

yathā mañcakasaṃsthasya spandante naiva vā śiśoḥ ,
aṅgāni svānusaṃdhānaṃ vinaivaṃviditātmanaḥ 33

33. yathā mañcakasaṃsthasya spandante na eva vā śiśoḥ
aṅgāni svānusandhānam vinā evam viditātmanaḥ

33. yathā mañcakasaṃsthasya śiśoḥ aṅgāni svānusandhānam vinā na eva vā spandante,
evam viditātmanaḥ (aṅgāni spandante)

33. Just as the limbs of a child lying on a bed do not stir at all without conscious self-awareness, similarly for one whose true Self (ātman) is thus known.

Words meanings summery:

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

• मञ्चकसंस्थस्य (mañcakasaṁsthasya) - of one lying/situated on a bed

• स्पन्दन्ते (spandante) - they stir, they move, they vibrate

• न (na) - not, no

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

• वा (vā) - often used for emphasis after 'na' to mean "not at all" or "nor indeed" (or, either...or)

• शिशोः (śiśoḥ) - of a child

• अङ्गानि (aṅgāni) - limbs, body parts

• स्वानुसन्धानम् (svānusandhānam) - conscious direction of oneself (self-contemplation, self-awareness, self-inquiry)

• विना (vinā) - without, except for

• एवम् (evam) - thus, in this manner, so

• विदितात्मनः (viditātmanaḥ) - of one whose Self (ātman) is known, of one who has known the Self

Words meanings and morphology

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

(indeclinable)

मञ्चकसंस्थस्य (mañcakasaṁsthasya) - of one lying/situated on a bed

(adjective)

Genitive, masculine, singular of mañcakasaṃstha

mañcakasaṁstha - lying on a bed, situated on a bed

compound of mañcaka (bed) and saṃstha (situated)

Compound type : tatpurusha (mañcaka+saṃstha)

• mañcaka – bed, couch
  noun (masculine)
• saṃstha – standing, situated, being in, belonging to
  adjective (masculine)
  Past Passive Participle
  from sam-√sthā (to stand, be placed)
  Prefix: sam
  Root: sthā (class 1)

स्पन्दन्ते (spandante) - they stir, they move, they vibrate

(verb)

3rd person , plural, middle, present (laṭ) of √spand

Present Indicative, Ātmanepada, 3rd Person Plural

from √spand (to tremble)

Root: spand (class 1)

न (na) - not, no

(indeclinable)

एव (eva) - only, just, indeed, alone

(indeclinable)

वा (vā) - often used for emphasis after 'na' to mean "not at all" or "nor indeed" (or, either...or)

(indeclinable)

शिशोः (śiśoḥ) - of a child

(noun)

Genitive, masculine, singular of śiśu

śiśu - child, infant, young one

अङ्गानि (aṅgāni) - limbs, body parts

(noun)

Nominative, neuter, plural of aṅga

aṅga - limb, body, part, member

स्वानुसन्धानम् (svānusandhānam) - conscious direction of oneself (self-contemplation, self-awareness, self-inquiry)

(noun)

Accusative, neuter, singular of svānusandhāna

svānusandhāna - self-contemplation, self-awareness, self-inquiry, self-connection

compound of sva (self, one's own) and anusandhāna (investigation, contemplation)

Compound type : tatpurusha (sva+anusandhāna)

• sva – self, one's own
  pronoun (masculine)
• anusandhāna – investigation, search, contemplation, connection
  noun (neuter)
  from anu-sam-√dhā (to connect, investigate)
  Prefixes: anu+sam
  Root: dhā (class 3)

Note: Can be nominative or accusative.

विना (vinā) - without, except for

(indeclinable)

एवम् (evam) - thus, in this manner, so

(indeclinable)

विदितात्मनः (viditātmanaḥ) - of one whose Self (ātman) is known, of one who has known the Self

(adjective)

Genitive, masculine, singular of viditātman

viditātman - one whose Self (ātman) is known, one who has known the Self

Bahuvrihi compound of vidita (known) and ātman (Self)

Compound type : bahuvrihi (vidita+ātman)

• vidita – known, understood, perceived
  adjective (masculine)
  Past Passive Participle
  from √vid (to know)
  Root: vid (class 2)
• ātman – Self, soul, spirit, essence
  noun (masculine)