योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-110, verse-21

य एव प्रतिभासोऽस्य चेतसो वृत्तिवर्तिनः ।
ततस्तदेव प्रत्यक्षं तथात्रानुभवादिह ॥ २१ ॥

ya eva pratibhāso'sya cetaso vṛttivartinaḥ ,
tatastadeva pratyakṣaṃ tathātrānubhavādiha 21

21. yaḥ eva pratibhāsaḥ asya cetasaḥ vṛttivartinaḥ |
tataḥ tat eva pratyakṣam tathā atra anubhavāt iha

21. yaḥ eva asya cetasaḥ vṛttivartinaḥ pratibhāsaḥ asti
tataḥ tat eva pratyakṣam tathā atra iha anubhavāt

21. Whatever appearance (pratibhāsa) belongs to this mind (cetas), which functions through its modifications (vṛtti), that alone is considered direct perception (pratyakṣa). Similarly, here in this world, this is understood from direct experience.

Words meanings summery:

• यः (yaḥ) - whoever, whatever, which

• एव (eva) - only, alone, indeed, just

• प्रतिभासः (pratibhāsaḥ) - appearance, manifestation, perception, idea

• अस्य (asya) - of this (mind) (of this, its)

• चेतसः (cetasaḥ) - of the mind, of consciousness

• वृत्तिवर्तिनः (vṛttivartinaḥ) - abiding in its functions, existing in its modifications

• ततः (tataḥ) - thence, therefore, then, from that

• तत् (tat) - that, it

• एव (eva) - only, alone, indeed, just

• प्रत्यक्षम् (pratyakṣam) - direct perception, visible, manifest

• तथा (tathā) - thus, so, in the same way

• अत्र (atra) - here in this context or world (here, in this matter, in this world)

• अनुभवात् (anubhavāt) - from experience, by means of perception

• इह (iha) - here, in this world, in this case

Words meanings and morphology

यः (yaḥ) - whoever, whatever, which

(pronoun)

Nominative, masculine, singular of yad

yad - which, what, whoever, whatever

एव (eva) - only, alone, indeed, just

(indeclinable)

प्रतिभासः (pratibhāsaḥ) - appearance, manifestation, perception, idea

(noun)

Nominative, masculine, singular of pratibhāsa

pratibhāsa - appearance, manifestation, perception, idea, intuition

अस्य (asya) - of this (mind) (of this, its)

(pronoun)

Genitive, neuter, singular of idam

idam - this, it

चेतसः (cetasaḥ) - of the mind, of consciousness

(noun)

Genitive, neuter, singular of cetas

cetas - mind, consciousness, intelligence, heart

वृत्तिवर्तिनः (vṛttivartinaḥ) - abiding in its functions, existing in its modifications

(adjective)

Genitive, neuter, singular of vṛttivartin

vṛttivartin - existing in or following a function/mode/modification

Compound type : tatpuruṣa (vṛtti+vartin)

• vṛtti – function, activity, mode, modification
  noun (feminine)
• vartin – abiding, existing, acting, being
  adjective
  Derived from root vṛt- 'to be, to exist'
  Root: vṛt (class 1)

ततः (tataḥ) - thence, therefore, then, from that

(indeclinable)

तत् (tat) - that, it

(pronoun)

Nominative, neuter, singular of tad

tad - that, it

एव (eva) - only, alone, indeed, just

(indeclinable)

प्रत्यक्षम् (pratyakṣam) - direct perception, visible, manifest

(noun)

Nominative, neuter, singular of pratyakṣa

pratyakṣa - direct perception, visible, manifest, before the eyes

तथा (tathā) - thus, so, in the same way

(indeclinable)

अत्र (atra) - here in this context or world (here, in this matter, in this world)

(indeclinable)

अनुभवात् (anubhavāt) - from experience, by means of perception

(noun)

Ablative, masculine, singular of anubhava

anubhava - experience, perception, apprehension

इह (iha) - here, in this world, in this case

(indeclinable)