योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-4, verse-31

अहमर्थः पुरो द्रव्यप्रतिबिम्बप्रदश्चिति ।
तच्छान्तौ सा निराभासमनन्तमजमव्ययम् ॥ ३१ ॥

ahamarthaḥ puro dravyapratibimbapradaściti ,
tacchāntau sā nirābhāsamanantamajamavyayam 31

31. ahamarthaḥ puraḥ dravyapratibimbapradaḥ citi
tat śāntau sā nirābhāsam anantam ajam avyayam

31. ahamarthaḥ puraḥ dravyapratibimbapradaḥ citi
tat śāntau sā nirābhāsam anantam ajam avyayam

31. The ego-sense (ahamarthaḥ) projects reflections of external objects onto pure consciousness (citi). When that ego-sense subsides, pure consciousness becomes free from appearances, infinite, unborn, and imperishable.

Words meanings summery:

• अहमर्थः (ahamarthaḥ) - the individual ego-sense that creates the illusion of a separate self (the sense of 'I', ego-sense)

• पुरः (puraḥ) - presenting, bringing forth (reflections) (in front, before, in the presence of)

• द्रव्यप्रतिबिम्बप्रदः (dravyapratibimbapradaḥ) - acting as a source or giver of reflections of external objects (giving reflections of objects/substances)

• चिति (citi) - in pure, undifferentiated consciousness (in consciousness, in knowledge, in pure awareness)

• तत् (tat) - its (referring to the ego-sense, ahamarthaḥ) (that, its)

• शान्तौ (śāntau) - upon the cessation or subsiding (of the ego-sense) (in the cessation, in the calming, upon the peace)

• सा (sā) - that (feminine pure consciousness, citi) (she, that (feminine))

• निराभासम् (nirābhāsam) - free from any external reflection or phenomenal appearance (without appearance, without reflection, devoid of manifestation)

• अनन्तम् (anantam) - without limits or end, boundless (infinite, endless)

• अजम् (ajam) - never having been born, eternal, beginningless (unborn, not born)

• अव्ययम् (avyayam) - unchanging and indestructible (imperishable, immutable, undecaying)

Words meanings and morphology

अहमर्थः (ahamarthaḥ) - the individual ego-sense that creates the illusion of a separate self (the sense of 'I', ego-sense)

(noun)

Nominative, masculine, singular of ahamartha

ahamartha - the sense of 'I', ego-sense, self-notion

Compound of 'aham' and 'artha'.

Compound type : tatpuruṣa (aham+artha)

• aham – I, ego
  pronoun
• artha – meaning, purpose, object, sense
  noun (masculine)

पुरः (puraḥ) - presenting, bringing forth (reflections) (in front, before, in the presence of)

(indeclinable)

द्रव्यप्रतिबिम्बप्रदः (dravyapratibimbapradaḥ) - acting as a source or giver of reflections of external objects (giving reflections of objects/substances)

(adjective)

Nominative, masculine, singular of dravyapratibimbaprada

dravyapratibimbaprada - one who gives reflections of objects

Compound of 'dravya', 'pratibimba' and 'prada'.

Compound type : tatpuruṣa (dravya+pratibimba+prada)

• dravya – object, substance, material
  noun (neuter)
• pratibimba – reflection, image
  noun (masculine)
  Prefix: prati
• prada – giving, bestowing (as a suffix)
  adjective (masculine)
  Derived from root DĀ (to give).
  Root: dā (class 3)

चिति (citi) - in pure, undifferentiated consciousness (in consciousness, in knowledge, in pure awareness)

(noun)

Locative, feminine, singular of cit

cit - consciousness, pure awareness, knowledge

Root: cit (class 1)

तत् (tat) - its (referring to the ego-sense, ahamarthaḥ) (that, its)

(pronoun)

neuter, singular of tad

tad - that, this

शान्तौ (śāntau) - upon the cessation or subsiding (of the ego-sense) (in the cessation, in the calming, upon the peace)

(noun)

Locative, feminine, singular of śānti

śānti - peace, tranquility, cessation, calming

From root ŚAM (to be calm).

Root: śam (class 4)

सा (sā) - that (feminine pure consciousness, citi) (she, that (feminine))

(pronoun)

Nominative, feminine, singular of tad

tad - that, she

Feminine nominative singular of 'tad'.

निराभासम् (nirābhāsam) - free from any external reflection or phenomenal appearance (without appearance, without reflection, devoid of manifestation)

(adjective)

Nominative, neuter, singular of nirābhāsa

nirābhāsa - without appearance, devoid of manifestation

Compound of 'nir' (without) and 'ābhāsa' (appearance, reflection).

Compound type : bahuvrīhi (nis+ābhāsa)

• nis – without, out, away
  indeclinable
  Prefix indicating negation or absence.
• ābhāsa – appearance, reflection, luster, semblance
  noun (masculine)
  From root BHĀ (to shine) with prefix Ā.
  Prefix: ā
  Root: bhā (class 2)

अनन्तम् (anantam) - without limits or end, boundless (infinite, endless)

(adjective)

Nominative, neuter, singular of ananta

ananta - infinite, endless, boundless

Compound of 'an' (negative prefix) and 'anta' (end).

Compound type : bahuvrīhi (an+anta)

• an – not, un-
  indeclinable
  Negative prefix.
• anta – end, limit, boundary
  noun (masculine)

अजम् (ajam) - never having been born, eternal, beginningless (unborn, not born)

(adjective)

Nominative, neuter, singular of aja

aja - unborn

Compound of 'a' (negative prefix) and 'ja' (born).

Compound type : bahuvrīhi (a+ja)

• a – not, un-
  indeclinable
  Negative prefix.
• ja – born, produced
  adjective (masculine)
  Past Passive Participle
  From root JAN (to be born).
  Root: jan (class 4)

अव्ययम् (avyayam) - unchanging and indestructible (imperishable, immutable, undecaying)

(adjective)

Nominative, neuter, singular of avyaya

avyaya - imperishable, immutable, undecaying, indeclinable

Compound of 'a' (negative prefix) and 'vyaya' (decay, expenditure).

Compound type : bahuvrīhi (a+vyaya)

• a – not, un-
  indeclinable
  Negative prefix.
• vyaya – expenditure, loss, decay, dissolution
  noun (masculine)
  From root I (to go) with prefix VI.
  Prefix: vi
  Root: i (class 2)