योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-67, verse-9

परमात्मनि वाचेयमित्थं मायानुमीयते ।
तरङ्गालीव पयसि प्रेक्षामात्रविनाशिनी ॥ ९ ॥

paramātmani vāceyamitthaṃ māyānumīyate ,
taraṅgālīva payasi prekṣāmātravināśinī 9

9. paramātmani vācā iyam ittham māyā anumīyate
taraṅgāliḥ iva payasi prekṣāmātravināśinī

9. ittham iyam māyā paramātmani vācā anumīyate,
yathā payasi taraṅgāliḥ iva prekṣāmātravināśinī [bhavati].

9. Thus, this illusion (māyā) is understood, through sacred teachings, to exist in the Supreme Self (paramātman), just as a multitude of waves in water vanish merely upon observation.

Words meanings summery:

• परमात्मनि (paramātmani) - in the Supreme Self (paramātman) (in the Supreme Self, in the Highest Self)

• वाचा (vācā) - through sacred teachings or descriptions (by speech, by words, through language)

• इयम् (iyam) - this (illusion/māyā) (this)

• इत्थम् (ittham) - thus, in this manner (thus, in this manner, so)

• माया (māyā) - the cosmic illusion (māyā) (illusion, cosmic illusion, magical power)

• अनुमीयते (anumīyate) - is inferred/understood (is inferred, is understood, is deduced)

• तरङ्गालिः (taraṅgāliḥ) - a multitude of waves (a multitude of waves, a row of waves)

• इव (iva) - just like (like, as, as if)

• पयसि (payasi) - in water (in water, in milk)

• प्रेक्षामात्रविनाशिनी (prekṣāmātravināśinī) - which vanishes merely upon observation (perishing merely by observation, whose destruction is due to mere contemplation)

Words meanings and morphology

परमात्मनि (paramātmani) - in the Supreme Self (paramātman) (in the Supreme Self, in the Highest Self)

(noun)

Locative, masculine, singular of paramātman

paramātman - Supreme Self, Highest Self

Compound of parama (supreme) + ātman (self).

Compound type : karmajārya (parama+ātman)

• parama – supreme, highest, ultimate
  adjective
• ātman – self, soul, spirit, the individual soul or the universal cosmic self
  noun (masculine)

Note: Location where māyā is inferred to exist.

वाचा (vācā) - through sacred teachings or descriptions (by speech, by words, through language)

(noun)

Instrumental, feminine, singular of vāc

vāc - speech, word, voice, language

c-stem noun.

Root: vac (class 2)

Note: Indicates the means by which māyā is understood.

इयम् (iyam) - this (illusion/māyā) (this)

(pronoun)

Nominative, feminine, singular of idam

idam - this, that

इत्थम् (ittham) - thus, in this manner (thus, in this manner, so)

(indeclinable)

माया (māyā) - the cosmic illusion (māyā) (illusion, cosmic illusion, magical power)

(noun)

Nominative, feminine, singular of māyā

māyā - illusion, cosmic illusion, magical power, art, supernatural power

अनुमीयते (anumīyate) - is inferred/understood (is inferred, is understood, is deduced)

(verb)

3rd person , singular, passive, present (laṭ) of anumā

Present Passive

Root mā, 3rd class, Ātmanepada, passive voice, 3rd person singular. From anu-mā (to infer).

Prefix: anu

Root: mā (class 3)

Note: Verb for 'māyā'.

तरङ्गालिः (taraṅgāliḥ) - a multitude of waves (a multitude of waves, a row of waves)

(noun)

Nominative, feminine, singular of taraṅgāli

taraṅgāli - a multitude of waves, a row of waves

Compound of taraṅga (wave) + āli (row, line, multitude).

Compound type : ṣaṣṭhī-tatpuruṣa (taraṅga+āli)

• taraṅga – wave
  noun (masculine)
• āli – row, line, multitude, swarm
  noun (feminine)

Note: Part of the comparison.

इव (iva) - just like (like, as, as if)

(indeclinable)

पयसि (payasi) - in water (in water, in milk)

(noun)

Locative, neuter, singular of payas

payas - water, milk, fluid

s-stem noun.

Note: Location for the analogy.

प्रेक्षामात्रविनाशिनी (prekṣāmātravināśinī) - which vanishes merely upon observation (perishing merely by observation, whose destruction is due to mere contemplation)

(adjective)

Nominative, feminine, singular of prekṣāmātravināśin

prekṣāmātravināśin - perishing merely by observation, whose destruction is due to mere contemplation

Bahuvrīhi compound: prekṣā (observation) + mātra (mere) + vināśin (perishing). "Whose perishing is merely by observation."

Compound type : bahuvrīhi (prekṣā+mātra+vināśin)

• prekṣā – observation, perception, contemplation, looking
  noun (feminine)
  From pra-īkṣ (to look at, observe)
  Prefix: pra
  Root: īkṣ (class 1)
• mātra – only, merely, solely
  indeclinable/adjective
• vināśin – perishing, decaying, destructive, causing destruction
  adjective
  Agent noun (kṛt suffix -in)
  From vi-naś (to perish, to be destroyed).
  Prefix: vi
  Root: naś (class 4)

Note: Agrees with taraṅgāliḥ (multitude of waves) and implicitly māyā.