योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-53, verse-1

उद्दालक उवाच ।
अपारपर्यन्तवपुः परमाण्वणुरेव च ।
चिदचेत्या तदाक्रान्तौ न शक्ता वासनादयः ॥ १ ॥

uddālaka uvāca ,
apāraparyantavapuḥ paramāṇvaṇureva ca ,
cidacetyā tadākrāntau na śaktā vāsanādayaḥ 1

1. uddālaka uvāca apāraparyantavapuḥ paramāṇu aṇuḥ eva
ca cit acetyā tat ākrāntau na śaktāḥ vāsanā ādayaḥ

1. uddālaka uvāca.
cit apāraparyantavapuḥ ca paramāṇu aṇuḥ eva acetyā.
vāsanā ādayaḥ tat ākrāntau na śaktāḥ.

1. Uddalaka said: Consciousness is boundless in its form and subtle like an atom. It is unthinkable, and latent impressions (vāsanā) and the like are not capable of comprehending it.

Words meanings summery:

• उद्दालक (uddālaka) - The sage Uddalaka (Uddalaka (a sage's name))

• उवाच (uvāca) - said, spoke

• अपारपर्यन्तवपुः (apāraparyantavapuḥ) - describing consciousness (cit) (whose form is boundless and without end, boundless in form)

• परमाणु (paramāṇu) - an atom, a subtle particle

• अणुः (aṇuḥ) - a subtle particle, minute

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

• च (ca) - and, also, moreover

• चित् (cit) - consciousness, pure thought, spirit

• अचेत्या (acetyā) - Consciousness being unknowable by the mind (unknowable, unthinkable, imperceptible)

• तत् (tat) - of that (consciousness) (that, it)

• आक्रान्तौ (ākrāntau) - in the act of comprehending (consciousness) (in the overpowering, in the comprehension, in the pervading)

• न (na) - not, no

• शक्ताः (śaktāḥ) - capable, able, powerful

• वासना (vāsanā) - latent impression, mental tendency, desire, instinct

• आदयः (ādayaḥ) - and so on, etc.; beginning with

Words meanings and morphology

उद्दालक (uddālaka) - The sage Uddalaka (Uddalaka (a sage's name))

(proper noun)

Nominative, masculine, singular of uddālaka

uddālaka - Uddalaka (name of a sage)

उवाच (uvāca) - said, spoke

(verb)

3rd person , singular, active, perfect (lit) of vac

Root: vac (class 2)

अपारपर्यन्तवपुः (apāraparyantavapuḥ) - describing consciousness (cit) (whose form is boundless and without end, boundless in form)

(adjective)

Nominative, masculine, singular of apāraparyantavapus

apāraparyantavapus - whose body/form is without measure or end; boundless form

Compound type : bahuvrīhi (a+pāra+paryanta+vapus)

• a – not, un-, without
  indeclinable
  Negative prefix (nañ-samāsa)
• pāra – end, limit, boundary, shore
  noun (masculine)
• paryanta – limit, boundary, end; reaching up to, bordered by
  noun (masculine)
• vapus – body, form, figure, essence
  noun (neuter)

परमाणु (paramāṇu) - an atom, a subtle particle

(noun)

Nominative, masculine, singular of paramāṇu

paramāṇu - a supreme atom, smallest particle; a subtle atom

Compound type : karmadhāraya (parama+aṇu)

• parama – highest, supreme, ultimate, excellent
  adjective (masculine)
• aṇu – atom, minute particle, subtle
  noun (masculine)

अणुः (aṇuḥ) - a subtle particle, minute

(noun)

Nominative, masculine, singular of aṇu

aṇu - atom, minute particle; subtle, small

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

(indeclinable)

च (ca) - and, also, moreover

(indeclinable)

चित् (cit) - consciousness, pure thought, spirit

(noun)

Nominative, feminine, singular of cit

cit - consciousness, intelligence, understanding, spirit

अचेत्या (acetyā) - Consciousness being unknowable by the mind (unknowable, unthinkable, imperceptible)

(adjective)

Nominative, feminine, singular of acetya

acetya - unknowable, imperceptible, incomprehensible

Gerundive

Derived from root 'cit' (to perceive, know) with negative prefix 'a-' and gerundive suffix '-ya'. Literally 'not to be known'.

Prefix: a

Root: cit (class 1)

तत् (tat) - of that (consciousness) (that, it)

(pronoun)

Genitive, neuter, singular of tad

tad - that, this, it (demonstrative pronoun)

Note: Implied genitive case (of it) through its relation to ākrāntau.

आक्रान्तौ (ākrāntau) - in the act of comprehending (consciousness) (in the overpowering, in the comprehension, in the pervading)

(noun)

Locative, feminine, singular of ākrānti

ākrānti - overpowering, invasion, comprehension, seizing

Derived from root 'kram' with prefix 'ā-' and feminine suffix '-ti'.

Prefix: ā

Root: kram (class 1)

न (na) - not, no

(indeclinable)

शक्ताः (śaktāḥ) - capable, able, powerful

(adjective)

Nominative, masculine, plural of śakta

śakta - able, capable, powerful; skilled, strong

Past Passive Participle

Derived from root 'śak' (to be able).

Root: śak (class 5)

वासना (vāsanā) - latent impression, mental tendency, desire, instinct

(noun)

Nominative, feminine, plural of vāsanā

vāsanā - latent impression, mental trace, habit, desire, tendency

From root 'vas' (to dwell, perfume) + suffix '-anā'.

Root: vas (class 1)

आदयः (ādayaḥ) - and so on, etc.; beginning with

(noun)

Nominative, masculine, plural of ādi

ādi - beginning, commencement; first, foremost; and so on, etc.

Note: Often used in compounds or with preceding words to mean 'etc.' or 'beginning with'.