योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-94, verse-50

असत्ता वस्तुसत्ताया नावगच्छाम्यहं यथा ।
अहंत्ववेदनं चित्तबीजं समुपशाम्यति ॥ ५० ॥

asattā vastusattāyā nāvagacchāmyahaṃ yathā ,
ahaṃtvavedanaṃ cittabījaṃ samupaśāmyati 50

50. asattā vastusattāyāḥ na avagacchāmi aham
yathā ahantvavedanam cittabījam samupaśāmyati

50. yathā aham vastusattāyāḥ asattā na avagacchāmi
ahantvavedanam cittabījam samupaśāmyati

50. Just as I do not grasp the non-existence of the reality of things, similarly, the cognition of 'I'-ness (ahantvavedanam), which is the seed of the mind (citta), completely subsides.

Words meanings summery:

• असत्ता (asattā) - non-existence, unreality, non-being

• वस्तुसत्तायाः (vastusattāyāḥ) - of the existence of a thing, of true existence, of reality

• न (na) - not, no

• अवगच्छामि (avagacchāmi) - I understand, I perceive, I comprehend

• अहम् (aham) - I

• यथा (yathā) - just as, in which way, as

• अहन्त्ववेदनम् (ahantvavedanam) - the cognition of 'I'-ness, ego-consciousness, the feeling of 'I'

• चित्तबीजम् (cittabījam) - the seed of the mind, the root cause of consciousness

• समुपशाम्यति (samupaśāmyati) - it completely subsides, it becomes completely pacified

Words meanings and morphology

असत्ता (asattā) - non-existence, unreality, non-being

(noun)

Nominative, feminine, singular of asattā

asattā - non-existence, unreality, non-being

वस्तुसत्तायाः (vastusattāyāḥ) - of the existence of a thing, of true existence, of reality

(noun)

Genitive, feminine, singular of vastusattā

vastusattā - the existence of a thing, true existence, reality

Compound type : tatpurusha (vastu+sattā)

• vastu – thing, object, substance, reality
  noun (neuter)
• sattā – existence, being, reality
  noun (feminine)

न (na) - not, no

(indeclinable)

अवगच्छामि (avagacchāmi) - I understand, I perceive, I comprehend

(verb)

1st person , singular, active, present indicative (laṭ) of gam

Prefix: ava

Root: gam (class 1)

अहम् (aham) - I

(pronoun)

Nominative, singular of asmad

asmad - I, we

यथा (yathā) - just as, in which way, as

(indeclinable)

अहन्त्ववेदनम् (ahantvavedanam) - the cognition of 'I'-ness, ego-consciousness, the feeling of 'I'

(noun)

Nominative, neuter, singular of ahantvavedana

ahantvavedana - the cognition of 'I'-ness, ego-consciousness

Compound type : tatpurusha (ahantva+vedana)

• ahantva – ego-ness, the state of being 'I'
  noun (neuter)
  derived from 'aham' (I) + 'tva' (suffix for 'state of being')
• vedana – cognition, perception, feeling, knowledge
  noun (neuter)
  derived from root 'vid' (to know)
  Root: vid (class 2)

चित्तबीजम् (cittabījam) - the seed of the mind, the root cause of consciousness

(noun)

Nominative, neuter, singular of cittabīja

cittabīja - the seed of the mind, the root cause of consciousness

Compound type : tatpurusha (citta+bīja)

• citta – mind, consciousness, thought
  noun (neuter)
• bīja – seed, origin, cause
  noun (neuter)

समुपशाम्यति (samupaśāmyati) - it completely subsides, it becomes completely pacified

(verb)

3rd person , singular, active, present indicative (laṭ) of śam

Prefixes: sam+upa

Root: śam (class 4)