योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-119, verse-10

अपर्यालोकनेनैव सदिवासद्विराजते ।
यथा शुक्तौ रजतता जलं मरुमरीचिषु ॥ १० ॥

aparyālokanenaiva sadivāsadvirājate ,
yathā śuktau rajatatā jalaṃ marumarīciṣu 10

10. aparyālokanena eva sat iva asat virājate
yathā śuktau rajatatā jalam marumarīciṣu

10. yathā śuktau rajatatā marumarīciṣu jalam
aparyālokanena eva asat sat iva virājate

10. Only through a lack of proper discernment does the non-existent appear as if it were existent, just as silverness appears in a conch-shell, or water in desert mirages.

Words meanings summery:

• अपर्यालोकनेन (aparyālokanena) - by non-discernment, by not properly examining, by lack of investigation

• एव (eva) - only, just, indeed, very

• सत् (sat) - existent, real, good, true; the existent

• इव (iva) - like, as if, as it were

• असत् (asat) - non-existent, unreal, false; the non-existent

• विराजते (virājate) - appears, shines, manifests, reigns

• यथा (yathā) - just as, as, like

• शुक्तौ (śuktau) - in a conch-shell

• रजतता (rajatatā) - silverness, the quality of silver

• जलम् (jalam) - water

• मरुमरीचिषु (marumarīciṣu) - in desert mirages

Words meanings and morphology

अपर्यालोकनेन (aparyālokanena) - by non-discernment, by not properly examining, by lack of investigation

(noun)

Instrumental, neuter, singular of aparyālokana

aparyālokana - non-discernment, non-investigation, lack of proper observation

Derived from 'paryālokana' (discernment, investigation) with the negative prefix 'a-'

Compound type : nañ-tatpuruṣa (a+paryālokana)

• a – not, non-, un-
  indeclinable
• paryālokana – discernment, investigation, thorough observation
  noun (neuter)
  Derived from root 'lok' (to see) with prefixes 'pari' and 'ā'.
  Prefixes: pari+ā
  Root: lok (class 1)

एव (eva) - only, just, indeed, very

(indeclinable)

सत् (sat) - existent, real, good, true; the existent

(adjective)

Nominative, neuter, singular of sat

sat - existent, real, true, good, virtuous; the existent, reality (brahman)

Present Active Participle

Present active participle of root 'as' (to be).

Root: as (class 2)

इव (iva) - like, as if, as it were

(indeclinable)

असत् (asat) - non-existent, unreal, false; the non-existent

(adjective)

Nominative, neuter, singular of asat

asat - non-existent, unreal, false, bad; the non-existent, unreality

Present Active Participle (negative)

Present active participle of root 'as' (to be), with negative prefix 'a-'.

Compound type : nañ-tatpuruṣa (a+sat)

• a – not, non-, un-
  indeclinable
• sat – existent, real, true, good
  adjective (neuter)
  Present Active Participle
  Present active participle of root 'as' (to be).
  Root: as (class 2)

विराजते (virājate) - appears, shines, manifests, reigns

(verb)

3rd person , singular, middle, present indicative (laṭ) of virāj

Present Tense

Present tense, 3rd person, singular, Middle voice (Ātmanepada) from root 'rāj' with prefix 'vi'.

Prefix: vi

Root: rāj (class 1)

यथा (yathā) - just as, as, like

(indeclinable)

शुक्तौ (śuktau) - in a conch-shell

(noun)

Locative, feminine, singular of śukti

śukti - conch-shell, mother-of-pearl, oyster-shell

रजतता (rajatatā) - silverness, the quality of silver

(noun)

Nominative, feminine, singular of rajatatā

rajatatā - silverness, the state or quality of being silver

Derived from 'rajata' (silver) with the suffix '-tā' indicating state or quality.

जलम् (jalam) - water

(noun)

Nominative, neuter, singular of jala

jala - water, fluid

मरुमरीचिषु (marumarīciṣu) - in desert mirages

(noun)

Locative, feminine, plural of marumarīci

marumarīci - desert mirage, optical illusion in a desert

Compound of 'maru' (desert) and 'marīci' (ray of light, mirage).

Compound type : ṣaṣṭhī-tatpuruṣa (maru+marīci)

• maru – desert, sandy waste
  noun (masculine)
• marīci – ray of light, mirage, optical illusion
  noun (feminine)