योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-27, verse-25

संशान्तसर्वसंवेद्यं सच्चिन्मात्रमहं महत् ।
आकाशवदनन्तोऽहमप्यणोरणुराततः ॥ २५ ॥

saṃśāntasarvasaṃvedyaṃ saccinmātramahaṃ mahat ,
ākāśavadananto'hamapyaṇoraṇurātataḥ 25

25. saṃśāntasarvasaṃvedyam saccinmātram aham mahat
ākāśavat anantaḥ aham api aṇoḥ aṇuḥ ātataḥ

25. aham mahat saccinmātram saṃśāntasarvasaṃvedyam.
aham ākāśavat anantaḥ api aṇoḥ aṇuḥ ātataḥ

25. I am the great, pure existence-consciousness (sat-cit), wherein all knowable objects have completely subsided. I am infinite like space (ākāśa), and also pervasive, smaller than the smallest atom.

Words meanings summery:

• संशान्तसर्वसंवेद्यम् (saṁśāntasarvasaṁvedyam) - that in which all knowable objects are completely pacified

• सच्चिन्मात्रम् (saccinmātram) - pure existence-consciousness, merely reality and consciousness

• अहम् (aham) - I, myself

• महत् (mahat) - great, large, mighty

• आकाशवत् (ākāśavat) - like space

• अनन्तः (anantaḥ) - infinite, endless

• अहम् (aham) - I, myself

• अपि (api) - also, even

• अणोः (aṇoḥ) - than an atom, from an atom

• अणुः (aṇuḥ) - (smaller than) an atom, minute

• आततः (ātataḥ) - extended, pervasive, spread out

Words meanings and morphology

संशान्तसर्वसंवेद्यम् (saṁśāntasarvasaṁvedyam) - that in which all knowable objects are completely pacified

(adjective)

Nominative, neuter, singular of saṃśāntasarvasaṃvedya

saṁśāntasarvasaṁvedya - that for whom all objects of perception or knowledge are completely calmed/subsided

Compound type : Bahuvrihi (saṃśānta+sarva+saṃvedya)

• saṃśānta – completely calmed, perfectly tranquil, subsided
  adjective
  Past Passive Participle
  Derived from root 'śam' (to be calm) with prefix 'sam-'.
  Prefix: sam
  Root: śam (class 4)
• sarva – all, entire, every
  adjective
• saṃvedya – to be known, perceptible, object of knowledge
  adjective (neuter)
  Gerundive
  Derived from root 'vid' (to know) with prefix 'sam-'.
  Prefix: sam
  Root: vid (class 2)

Note: Modifies 'saccinmātram'.

सच्चिन्मात्रम् (saccinmātram) - pure existence-consciousness, merely reality and consciousness

(noun)

Nominative, neuter, singular of saccinmātra

saccinmātra - mere existence and consciousness, the essence of being and awareness

Compound type : Dvandva-Tatpurusha (sat+cit+mātra)

• sat – being, existence, reality, good
  adjective (neuter)
  Present Active Participle
  Derived from root 'as' (to be).
  Root: as (class 2)
• cit – consciousness, pure intelligence, awareness
  noun (feminine)
  Root: cit (class 1)
• mātra – only, merely, extent, measure
  adjective (neuter)

Note: Predicate nominative for 'aham'.

अहम् (aham) - I, myself

(pronoun)

Nominative, singular of aham

aham - I, myself

महत् (mahat) - great, large, mighty

(adjective)

Nominative, neuter, singular of mahat

mahat - great, large, vast, mighty

Present Active Participle

Derived from root 'mah' (to grow, be great).

Root: mah (class 1)

Note: Modifies 'saccinmātram'.

आकाशवत् (ākāśavat) - like space

(indeclinable)

Derived from 'ākāśa' with 'vat' suffix meaning "like".

अनन्तः (anantaḥ) - infinite, endless

(adjective)

Nominative, masculine, singular of ananta

ananta - endless, infinite, unbounded

'a' (negation) + 'anta' (end).

Compound type : Tatpurusha (a+anta)

• a – not, non
  indeclinable
• anta – end, limit, boundary
  noun (masculine)

Note: Agrees with 'aham'.

अहम् (aham) - I, myself

(pronoun)

Nominative, singular of aham

aham - I, myself

अपि (api) - also, even

(indeclinable)

अणोः (aṇoḥ) - than an atom, from an atom

(noun)

Ablative, masculine, singular of aṇu

aṇu - atom, minute, small

Note: Used in a comparative sense with 'aṇuḥ' (smaller).

अणुः (aṇuḥ) - (smaller than) an atom, minute

(noun)

Nominative, masculine, singular of aṇu

aṇu - atom, minute, small

Note: Agrees with 'aham'. Used in superlative/comparative sense with 'aṇoḥ'.

आततः (ātataḥ) - extended, pervasive, spread out

(adjective)

Nominative, masculine, singular of ātata

ātata - extended, spread out, pervasive

Past Passive Participle

Derived from root 'tan' (to stretch, extend) with prefix 'ā-'.

Prefix: ā

Root: tan (class 8)

Note: Agrees with 'aham'.