योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-53, verse-52

मुक्ताफलशतौघानां तन्तुः प्रोतवपुर्यथा ।
तथायं देहलक्षाणां स्थित आत्मास्त्यलक्षितः ॥ ५२ ॥

muktāphalaśataughānāṃ tantuḥ protavapuryathā ,
tathāyaṃ dehalakṣāṇāṃ sthita ātmāstyalakṣitaḥ 52

52. muktā-phala-śataughānām tantuḥ prota-vapuḥ yathā
tathā ayam deha-lakṣāṇām sthitaḥ ātmā asti alakṣitaḥ

52. yathā muktā-phala-śataughānām tantuḥ prota-vapuḥ
tathā ayam ātmā deha-lakṣāṇām sthitaḥ alakṣitaḥ asti

52. Just as a thread (tantu) passes through hundreds of pearl necklaces, so too is this Self (ātman) situated within millions of bodies, yet it remains unperceived.

Words meanings summery:

• मुक्ता-फल-शतौघानाम् (muktā-phala-śataughānām) - of collections of hundreds of pearls

• तन्तुः (tantuḥ) - thread, string, fiber

• प्रोत-वपुः (prota-vapuḥ) - whose body is pierced through, threaded

• यथा (yathā) - just as, as

• तथा (tathā) - similarly, so, thus

• अयम् (ayam) - this

• देह-लक्षाणाम् (deha-lakṣāṇām) - of hundreds of thousands of bodies, of millions of bodies

• स्थितः (sthitaḥ) - situated, existing, standing

• आत्मा (ātmā) - the Self, spirit, soul

• अस्ति (asti) - is, exists

• अलक्षितः (alakṣitaḥ) - unperceived, unobserved, unnoticed

Words meanings and morphology

मुक्ता-फल-शतौघानाम् (muktā-phala-śataughānām) - of collections of hundreds of pearls

(noun)

Genitive, masculine, plural of muktā-phala-śataugha

muktā-phala-śataugha - collection of hundreds of pearls

Compound type : tatpuruṣa (muktā-phala+śataugha)

• muktā-phala – pearl (lit. 'liberated fruit')
  noun (neuter)
• śataugha – flood of hundreds, hundreds of collections
  noun (masculine)

तन्तुः (tantuḥ) - thread, string, fiber

(noun)

Nominative, masculine, singular of tantu

tantu - thread, string, cord

प्रोत-वपुः (prota-vapuḥ) - whose body is pierced through, threaded

(adjective)

Nominative, masculine, singular of prota-vapus

prota-vapus - having a body pierced/threaded

Compound type : bahuvrīhi (prota+vapus)

• prota – pierced, strung, threaded
  adjective
  Past Passive Participle
  Prefix: pra
  Root: ve (class 1)
• vapus – body, form, figure
  noun (neuter)

यथा (yathā) - just as, as

(indeclinable)

तथा (tathā) - similarly, so, thus

(indeclinable)

अयम् (ayam) - this

(pronoun)

Nominative, masculine, singular of idam

idam - this, this one (demonstrative pronoun)

देह-लक्षाणाम् (deha-lakṣāṇām) - of hundreds of thousands of bodies, of millions of bodies

(noun)

Genitive, neuter, plural of deha-lakṣa

deha-lakṣa - a lakh (hundred thousand) of bodies, millions of bodies

Compound type : tatpuruṣa (deha+lakṣa)

• deha – body, form
  noun (masculine)
• lakṣa – hundred thousand, lakh, target
  noun (neuter)

स्थितः (sthitaḥ) - situated, existing, standing

(adjective)

Nominative, masculine, singular of sthita

sthita - standing, situated, existing, abiding

Past Passive Participle

Root: sthā (class 1)

आत्मा (ātmā) - the Self, spirit, soul

(noun)

Nominative, masculine, singular of ātman

ātman - self, soul, spirit, essence

अस्ति (asti) - is, exists

(verb)

3rd person , singular, active, present (laṭ) of as

Root: as (class 2)

अलक्षितः (alakṣitaḥ) - unperceived, unobserved, unnoticed

(adjective)

Nominative, masculine, singular of alakṣita

alakṣita - unperceived, unobserved, unnoticed, invisible

Past Passive Participle

Compound type : nañ-tatpuruṣa (a+lakṣita)

• a – not, un-
  prefix
• lakṣita – perceived, observed, marked
  adjective
  Past Passive Participle
  Root: lakṣ (class 10)