योगवासिष्ठः yogavāsiṣṭhaḥ - book-2, chapter-18, verse-37

अहं जगदिति प्रौढो द्रष्टृदृश्यपिशाचकः ।
पिशाचोऽर्कोदयेनेव स्वयं शाम्यत्ययत्नतः ॥ ३७ ॥

ahaṃ jagaditi prauḍho draṣṭṛdṛśyapiśācakaḥ ,
piśāco'rkodayeneva svayaṃ śāmyatyayatnataḥ 37

37. ahaṃ jagat iti prauḍhaḥ draṣṭṛdṛśyapiśācakaḥ
piśācaḥ arka udayena iva svayam śāmyati ayatnataḥ

37. ahaṃ jagat iti (ayam) prauḍhaḥ
draṣṭṛdṛśyapiśācakaḥ (saḥ) arka
udayena iva (yathā) piśācaḥ
svayam ayatnataḥ śāmyati (tathā)

37. The deep-seated demon of the perceiver and the perceived, which proclaims 'I am the world,' spontaneously subsides without any effort, just as a demon vanishes at sunrise.

Words meanings summery:

• अहं (ahaṁ) - I

• जगत् (jagat) - world, universe

• इति (iti) - thus, so, indicating direct speech or thought

• प्रौढः (prauḍhaḥ) - strong, mature, powerful, deeply rooted

• द्रष्टृदृश्यपिशाचकः (draṣṭṛdṛśyapiśācakaḥ) - the demon of the perceiver and the perceived, the ghost of subject-object duality

• पिशाचः (piśācaḥ) - demon, ghost

• अर्क (arka) - sun

• उदयेन (udayena) - by the rising (of the sun) (by the rising, by the ascent)

• इव (iva) - like, as, as if

• स्वयम् (svayam) - by itself, spontaneously, personally

• शाम्यति (śāmyati) - subsides, calms down, ceases

• अयत्नतः (ayatnataḥ) - effortlessly, without effort

Words meanings and morphology

अहं (ahaṁ) - I

(pronoun)

Nominative, singular of aham

aham - I

जगत् (jagat) - world, universe

(noun)

Nominative, neuter, singular of jagat

jagat - world, universe

Present participle of gam, used as a noun

Root: gam (class 1)

Note: Part of the quoted phrase 'I am the world'.

इति (iti) - thus, so, indicating direct speech or thought

(indeclinable)

प्रौढः (prauḍhaḥ) - strong, mature, powerful, deeply rooted

(adjective)

Nominative, masculine, singular of prauḍha

prauḍha - strong, mature, powerful, developed

From pra-√vah (to carry), past passive participle ūḍha combined with pra, then prauḍha

Prefix: pra

Root: ūḍh

Note: Qualifies 'draṣṭṛdṛśyapiśācakaḥ'.

द्रष्टृदृश्यपिशाचकः (draṣṭṛdṛśyapiśācakaḥ) - the demon of the perceiver and the perceived, the ghost of subject-object duality

(noun)

Nominative, masculine, singular of draṣṭṛdṛśyapiśācaka

draṣṭṛdṛśyapiśācaka - demon of the perceiver and perceived, ghost of subject-object duality

Compound type : tatpuruṣa (draṣṭṛ+dṛśya+piśācaka)

• draṣṭṛ – seer, perceiver
  noun (masculine)
  agent noun
  From √dṛś (to see)
  Root: dṛś (class 1)
• dṛśya – object of sight, visible, perceived
  adjective (neuter)
  Gerundive
  From √dṛś (to see)
  Root: dṛś (class 1)
• piśācaka – demon, ghost, goblin (diminutive of piśāca)
  noun (masculine)

Note: The subject of the sentence, described as 'prauḍhaḥ'.

पिशाचः (piśācaḥ) - demon, ghost

(noun)

Nominative, masculine, singular of piśāca

piśāca - demon, ghost

Note: Referring back to 'draṣṭṛdṛśyapiśācakaḥ' in the simile.

अर्क (arka) - sun

(noun)

masculine, singular of arka

arka - sun

Note: Forms part of the compound 'arkodayena'.

उदयेन (udayena) - by the rising (of the sun) (by the rising, by the ascent)

(noun)

Instrumental, masculine, singular of udaya

udaya - rising, ascent, appearance

From ud-√i (to go up)

Prefix: ud

Root: i (class 2)

Note: In context, 'arka udayena' means 'by the rising of the sun'.

इव (iva) - like, as, as if

(indeclinable)

स्वयम् (svayam) - by itself, spontaneously, personally

(indeclinable)

Instrumental form of sva (self) used as an adverb

शाम्यति (śāmyati) - subsides, calms down, ceases

(verb)

3rd person , singular, active, present (laṭ) of śām

present active

Class 4 verb

Root: śam (class 4)

अयत्नतः (ayatnataḥ) - effortlessly, without effort

(indeclinable)

From a-yatna + -tas (adverbial suffix)

Compound type : avyayībhāva (a+yatna)

• a – not, un-
  indeclinable
• yatna – effort, exertion
  noun (masculine)
  From √yat (to strive)
  Root: yat (class 1)