योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-56, verse-5

अहं विदितवेद्यत्वात्कदाचित्पूर्णमानसः ।
त्यक्तुमिच्छुरिमं लोकव्यवहारं घनभ्रमम् ओ ॥ ५ ॥

ahaṃ viditavedyatvātkadācitpūrṇamānasaḥ ,
tyaktumicchurimaṃ lokavyavahāraṃ ghanabhramam o 5

5. aham viditavedyatvāt kadācit pūrṇamānasaḥ
tyaktum icchuḥ imam lokavyavahāram ghanabhramam

5. viditavedyatvāt aham kadācit pūrṇamānasaḥ imam
ghanabhramam lokavyavahāram tyaktum icchuḥ

5. Once, having come to know all that is to be known, I, with a completely fulfilled mind, desired to relinquish this worldly engagement, which is a profound delusion.

Words meanings summery:

• अहम् (aham) - I

• विदितवेद्यत्वात् (viditavedyatvāt) - due to having known what is to be known; from the state of having known all knowledge

• कदाचित् (kadācit) - once; at some time; sometimes

• पूर्णमानसः (pūrṇamānasaḥ) - with a contented mind; whose mind is full/complete

• त्यक्तुम् (tyaktum) - to abandon; to give up; to forsake

• इच्छुः (icchuḥ) - wishing; desiring; wanting

• इमम् (imam) - this

• लोकव्यवहारम् (lokavyavahāram) - worldly activity; worldly conduct; worldly affairs

• घनभ्रमम् (ghanabhramam) - dense delusion; profound error; thick illusion

Words meanings and morphology

अहम् (aham) - I

(pronoun)

Nominative, singular of aham

aham - I

विदितवेद्यत्वात् (viditavedyatvāt) - due to having known what is to be known; from the state of having known all knowledge

(noun)

Ablative, neuter, singular of viditavedyatva

viditavedyatva - state of having known what is to be known

Compound type : tatpurusha (vidita+vedya+tva)

• vidita – known; understood
  adjective (neuter)
  Past Passive Participle
  From root vid 'to know'
  Root: vid (class 2)
• vedya – to be known; knowable
  adjective (neuter)
  Gerundive
  From root vid 'to know'
  Root: vid (class 2)
• tva – suffix forming abstract nouns, 'nature of', 'state of being'
  suffix (neuter)

कदाचित् (kadācit) - once; at some time; sometimes

(indeclinable)

पूर्णमानसः (pūrṇamānasaḥ) - with a contented mind; whose mind is full/complete

(adjective)

Nominative, masculine, singular of pūrṇamānasa

pūrṇamānasa - having a contented mind; full-minded

Compound type : bahuvrihi (pūrṇa+mānasa)

• pūrṇa – full; complete; satisfied
  adjective (masculine)
  Past Passive Participle
  From root pṛ 'to fill'
  Root: pṛ (class 3)
• mānasa – mind; mental
  noun (neuter)
  Root: man (class 4)

Note: Refers to 'aham'.

त्यक्तुम् (tyaktum) - to abandon; to give up; to forsake

(verb)

infinitive of tyaj

Infinitive

Root: tyaj (class 1)

इच्छुः (icchuḥ) - wishing; desiring; wanting

(adjective)

Nominative, masculine, singular of icchu

icchu - wishing; desiring; desirous

Desiderative nominal agent noun

From desiderative stem of root iṣ 'to wish'

Root: iṣ (class 6)

Note: Refers to 'aham'.

इमम् (imam) - this

(pronoun)

Accusative, masculine, singular of idam

idam - this

Note: Modifies 'lokavyavahāram'.

लोकव्यवहारम् (lokavyavahāram) - worldly activity; worldly conduct; worldly affairs

(noun)

Accusative, masculine, singular of lokavyavahāra

lokavyavahāra - worldly activity; worldly conduct; worldly affairs; social practice

Compound type : tatpurusha (loka+vyavahāra)

• loka – world; people; realm
  noun (masculine)
  Root: lok (class 1)
• vyavahāra – activity; conduct; practice; transaction
  noun (masculine)
  From root hṛ with prefixes vi-ava-
  Prefixes: vi+ava
  Root: hṛ (class 1)

घनभ्रमम् (ghanabhramam) - dense delusion; profound error; thick illusion

(noun)

Accusative, masculine, singular of ghanabhrama

ghanabhrama - dense delusion; profound error; thick illusion

Compound type : tatpurusha (ghana+bhrama)

• ghana – dense; thick; solid; profound
  adjective (masculine)
• bhrama – delusion; error; confusion; wandering
  noun (masculine)
  Root: bhram (class 1)

Note: Modifies 'lokavyavahāram'.