योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-4, verse-51

अङ्गदत्वं यथा हेम्नि मृगनद्यां यथा जलम् ।
भित्तिर्यथा स्वप्नपुरे तथा द्रष्टरि दृश्यधीः ॥ ५१ ॥

aṅgadatvaṃ yathā hemni mṛganadyāṃ yathā jalam ,
bhittiryathā svapnapure tathā draṣṭari dṛśyadhīḥ 51

51. aṅgadatvam yathā hemni mṛga-nadyām yathā jalam
bhittiḥ yathā svapna-pure tathā draṣṭari dṛśya-dhīḥ

51. yathā hemni aṅgadatvam yathā mṛga-nadyām jalam
yathā svapna-pure bhittiḥ tathā draṣṭari dṛśya-dhīḥ

51. Just as the quality of being an armlet is inherent in gold, just as water is (perceived) in a mirage-river, and just as a wall is (seen) in a dream-city, similarly, the perception of the perceived object is in the perceiver.

Words meanings summery:

• अङ्गदत्वम् (aṅgadatvam) - the quality of being an armlet (made of gold) (the state of being an armlet, armlethood)

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

• हेम्नि (hemni) - in gold

• मृग-नद्याम् (mṛga-nadyām) - in a mirage-river

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

• जलम् (jalam) - water (as perceived in the mirage) (water)

• भित्तिः (bhittiḥ) - wall (wall, screen, partition)

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

• स्वप्न-पुरे (svapna-pure) - in a dream-city

• तथा (tathā) - similarly, so (so, thus, in that way)

• द्रष्टरि (draṣṭari) - in the perceiver (in the perceiver, in the seer)

• दृश्य-धीः (dṛśya-dhīḥ) - the perception of the perceived object (the intellect or perception of the seen/perceived object)

Words meanings and morphology

अङ्गदत्वम् (aṅgadatvam) - the quality of being an armlet (made of gold) (the state of being an armlet, armlethood)

(noun)

Nominative, neuter, singular of aṅgadatva

aṅgadatva - the state of being an armlet

Abstract noun derived from 'aṅgada' (armlet) with suffix -tva

Note: An armlet is a type of ornament worn on the upper arm.

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

(indeclinable)

हेम्नि (hemni) - in gold

(noun)

Locative, neuter, singular of heman

heman - gold, bullion

Note: heman is the base form.

मृग-नद्याम् (mṛga-nadyām) - in a mirage-river

(noun)

Locative, feminine, singular of mṛga-nadī

mṛga-nadī - a mirage-river, illusory river

Compound type : tatpurusha (mṛga+nadī)

• mṛga – deer, animal, wild beast
  noun (masculine)
• nadī – river
  noun (feminine)

Note: Represents an illusory perception.

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

(indeclinable)

जलम् (jalam) - water (as perceived in the mirage) (water)

(noun)

Nominative, neuter, singular of jala

jala - water, fluid

भित्तिः (bhittiḥ) - wall (wall, screen, partition)

(noun)

Nominative, feminine, singular of bhitti

bhitti - wall, screen, partition, cleavage

Root: bhid (class 7)

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

(indeclinable)

स्वप्न-पुरे (svapna-pure) - in a dream-city

(noun)

Locative, neuter, singular of svapna-pura

svapna-pura - dream-city, city in a dream

Compound type : tatpurusha (svapna+pura)

• svapna – dream, sleep
  noun (masculine)
  Root: svap (class 2)
• pura – city, town, fortress
  noun (neuter)

Note: Represents an illusory perception.

तथा (tathā) - similarly, so (so, thus, in that way)

(indeclinable)

द्रष्टरि (draṣṭari) - in the perceiver (in the perceiver, in the seer)

(noun)

Locative, masculine, singular of draṣṭṛ

draṣṭṛ - seer, perceiver, observer

Agent noun

root dṛś (to see) + tṛc (agent suffix)

Root: dṛś (class 1)

दृश्य-धीः (dṛśya-dhīḥ) - the perception of the perceived object (the intellect or perception of the seen/perceived object)

(noun)

Nominative, feminine, singular of dṛśya-dhī

dṛśya-dhī - perception of the seen, mind/intellect directed to the visible

Compound type : tatpurusha (dṛśya+dhī)

• dṛśya – visible, perceptible, object of sight
  adjective (neuter)
  Gerundive/Passive Future Participle
  root dṛś (to see) + suffix -ya
  Root: dṛś (class 1)
• dhī – intellect, mind, understanding, perception
  noun (feminine)
  Root: dhī (class 3)

Note: The perception or thought related to the perceived.