योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-45, verse-15

रागद्वेषभयोन्मादमानमोहमहत्तया ।
नटस्येवास्य दृश्यन्ते शीतलामलचेतसः ॥ १५ ॥

rāgadveṣabhayonmādamānamohamahattayā ,
naṭasyevāsya dṛśyante śītalāmalacetasaḥ 15

15. rāgadveṣabhayonmādamānamohamahattayā
naṭasya iva asya dṛśyante śītalāmalacetasaḥ

15. asya śītalāmalacetasaḥ
rāgadveṣabhayonmādamānamohamahattayā naṭasya iva dṛśyante

15. For this individual, whose mind is tranquil and pure, the significant manifestations of attachment, aversion, fear, madness, pride, and delusion are merely perceived, as if by an actor.

Words meanings summery:

• रागद्वेषभयोन्मादमानमोहमहत्तया (rāgadveṣabhayonmādamānamohamahattayā) - by the magnitude of these emotional manifestations (by the greatness of attachment, aversion, fear, madness, pride, and delusion)

• नटस्य (naṭasya) - of an actor

• इव (iva) - as if, like, as, as it were

• अस्य (asya) - of this tranquil and pure-minded individual (of this one, his)

• दृश्यन्ते (dṛśyante) - these emotional manifestations are perceived (they are seen, appear)

• शीतलामलचेतसः (śītalāmalacetasaḥ) - of the cool and pure-minded one; of him whose mind is tranquil and spotless

Words meanings and morphology

रागद्वेषभयोन्मादमानमोहमहत्तया (rāgadveṣabhayonmādamānamohamahattayā) - by the magnitude of these emotional manifestations (by the greatness of attachment, aversion, fear, madness, pride, and delusion)

(noun)

Instrumental, feminine, singular of rāgadveṣabhayonmādamānamohamahattva

rāgadveṣabhayonmādamānamohamahattva - the greatness of attachment, aversion, fear, madness, pride, and delusion

Compound type : Dvandva + Tatpurusha (rāga+dveṣa+bhaya+unmāda+māna+moha+mahattva)

• rāga – attachment, passion, affection, color
  noun (masculine)
  Root: rañj (class 1)
• dveṣa – aversion, hatred, dislike
  noun (masculine)
  Root: dviṣ (class 2)
• bhaya – fear, dread, apprehension
  noun (neuter)
  Root: bhī (class 3)
• unmāda – madness, insanity, frenzy
  noun (masculine)
  Prefix: ud
  Root: mad (class 4)
• māna – pride, self-respect, measurement, opinion
  noun (masculine)
  Root: man (class 4)
• moha – delusion, confusion, infatuation, unconsciousness
  noun (masculine)
  Root: muh (class 4)
• mahattva – greatness, importance, magnitude, dignity
  noun (neuter)
  Abstract noun formed from mahat (great) + suffix tva.

Note: The ending tayā implies instrumentality, 'by virtue of the greatness'.

नटस्य (naṭasya) - of an actor

(noun)

Genitive, masculine, singular of naṭa

naṭa - actor, dancer, mime

Root: naṭ (class 1)

इव (iva) - as if, like, as, as it were

(indeclinable)

अस्य (asya) - of this tranquil and pure-minded individual (of this one, his)

(pronoun)

Genitive, masculine, singular of idam

idam - this, this one, here

Demonstrative pronoun, masculine/neuter stem, here masculine.

दृश्यन्ते (dṛśyante) - these emotional manifestations are perceived (they are seen, appear)

(verb)

3rd person , plural, passive, present (laṭ) of dṛś

Present passive indicative

Root dṛś, passive stem dṛśya, ending ante for 3rd person plural ātmanepada.

Root: dṛś (class 1)

शीतलामलचेतसः (śītalāmalacetasaḥ) - of the cool and pure-minded one; of him whose mind is tranquil and spotless

(adjective)

Genitive, masculine, singular of śītalāmalacetas

śītalāmalacetas - one whose mind is cool and pure; having a tranquil and spotless mind

Compound type : Bahuvrihi (śītala+amala+cetas)

• śītala – cool, cold, tranquil, calm
  adjective (masculine)
  Root: śī (class 2)
• amala – spotless, pure, clean, stainless
  adjective (masculine)
  a (negative prefix) + mala (dirt, impurity).
  Prefix: a
• cetas – mind, consciousness, intellect, heart
  noun (neuter)
  Root: cit (class 1)

Note: Adjective modifying the implied referent of asya.