योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-10, verse-50

वेद्यवेदनवेत्तृत्वरूपत्रयमिदं पुरः ।
यत्रोदेत्यस्तमायाति तत्तत्परमदुर्लभम् ॥ ५० ॥

vedyavedanavettṛtvarūpatrayamidaṃ puraḥ ,
yatrodetyastamāyāti tattatparamadurlabham 50

50. vedyavedanavettṛtvarūpatrayam idam puraḥ yatra
udeti astam āyāti tat tat paramadurlabham

50. idam vedyavedanavettṛtvarūpatrayam puraḥ yatra udeti astam āyāti tat tat paramadurlabham (asti).

50. This triad of the knowable, the act of knowing, and the knower, which appears and dissolves (into the Supreme) – that (state) is exceedingly rare.

Words meanings summery:

• वेद्यवेदनवेत्तृत्वरूपत्रयम् (vedyavedanavettṛtvarūpatrayam) - this triad of the knowable, the act of knowing, and the knower as forms

• इदम् (idam) - this

• पुरः (puraḥ) - appears before one's consciousness (in front, before, previously, present)

• यत्र (yatra) - in which state or reality (where, in which)

• उदेति (udeti) - rises, appears, comes forth

• अस्तम् (astam) - into disappearance (setting, end, disappearance)

• आयाति (āyāti) - comes to an end, dissolves (comes, approaches)

• तत् (tat) - that

• तत् (tat) - that (emphasized)

• परमदुर्लभम् (paramadurlabham) - exceedingly rare, extremely difficult to obtain

Words meanings and morphology

वेद्यवेदनवेत्तृत्वरूपत्रयम् (vedyavedanavettṛtvarūpatrayam) - this triad of the knowable, the act of knowing, and the knower as forms

(noun)

Nominative, neuter, singular of vedyavedanavettṛtvarūpatraya

vedyavedanavettṛtvarūpatraya - the triad of the known, knowing, and knower as forms

A long compound describing the three aspects of cognition as forms, and their triad.

Compound type : tatpurusha / dvandva (vedya+vedana+vettṛtva+rūpa+traya)

• vedya – knowable, to be known, an object of knowledge
  adjective (neuter)
  Gerundive (Potential Passive Participle)
  From root 'vid' (to know) + suffix '-ya'
  Root: vid (class 2)
• vedana – the act of knowing, perception, knowledge
  noun (neuter)
  From root 'vid' (to know) + suffix '-ana'
  Root: vid (class 2)
• vettṛtva – the state of being a knower, knower-ness
  noun (neuter)
  From 'vettṛ' (knower) + suffix '-tva' (abstract quality)
  Root: vid (class 2)
• rūpa – form, nature, essence
  noun (neuter)
  Root: rūp (class 1)
• traya – triad, group of three
  noun (neuter)
  From 'tri' (three) + suffix '-ya'

इदम् (idam) - this

(pronoun)

Nominative, neuter, singular of idam

idam - this

Note: Refers to the triad.

पुरः (puraḥ) - appears before one's consciousness (in front, before, previously, present)

(indeclinable)

यत्र (yatra) - in which state or reality (where, in which)

(indeclinable)

Locative of relative pronoun 'ya'

उदेति (udeti) - rises, appears, comes forth

(verb)

3rd person , singular, active, present (laṭ) of udeti

3rd person singular, present active of root 'i' with prefix 'ud'

Prefix: ud

Root: i (class 2)

अस्तम् (astam) - into disappearance (setting, end, disappearance)

(noun)

Accusative, masculine, singular of asta

asta - setting, end, home, disappearance

Root: as (class 4)

आयाति (āyāti) - comes to an end, dissolves (comes, approaches)

(verb)

3rd person , singular, active, present (laṭ) of āyāti

3rd person singular, present active of root 'yā' with prefix 'ā'

Prefix: ā

Root: yā (class 2)

तत् (tat) - that

(pronoun)

Nominative, neuter, singular of tad

tad - that

Note: Demonstrative pronoun, refers to the ultimate state.

तत् (tat) - that (emphasized)

(pronoun)

Nominative, neuter, singular of tad

tad - that

Repetition for emphasis

परमदुर्लभम् (paramadurlabham) - exceedingly rare, extremely difficult to obtain

(adjective)

Nominative, neuter, singular of paramadurlabha

paramadurlabha - exceedingly rare, very difficult to obtain

Compound type : karmadhāraya (parama+durlabha)

• parama – supreme, highest, ultimate
  adjective (neuter)
• durlabha – rare, difficult to obtain, hard to find
  adjective (neuter)
  Past Passive Participle (secondary formation)
  From prefix 'dur-' (difficult) and root 'labh' (to obtain)
  Prefix: dur
  Root: labh (class 1)