योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-40, verse-14

सर्पैकप्रत्ययो रज्ज्वामसर्पप्रत्यये बलात् ।
निवर्ततेऽन्यथा त्वेष तिष्ठत्येव यथास्थितः ॥ १४ ॥

sarpaikapratyayo rajjvāmasarpapratyaye balāt ,
nivartate'nyathā tveṣa tiṣṭhatyeva yathāsthitaḥ 14

14. sarpa-eka-pratyayaḥ rajjvām a-sarpa-pratyaye balāt
nivartate anyathā tu eṣaḥ tiṣṭhati eva yathā-sthitaḥ

14. rajjvām sarpa-eka-pratyayaḥ a-sarpa-pratyaye balāt
nivartate anyathā tu eṣaḥ yathā-sthitaḥ eva tiṣṭhati

14. The conviction that a rope is a snake (sarpa-eka-pratyaya), when strongly confronted by the conviction of 'no snake' (a-sarpa-pratyaya), ceases. Otherwise, this (snake) perception indeed remains as it is.

Words meanings summery:

• सर्प-एक-प्रत्ययः (sarpa-eka-pratyayaḥ) - the conviction/perception of a snake alone

• रज्ज्वाम् (rajjvām) - in the rope

• अ-सर्प-प्रत्यये (a-sarpa-pratyaye) - when there is a conviction/perception of 'not a snake'

• बलात् (balāt) - by force, strongly

• निवर्तते (nivartate) - ceases, disappears, turns away

• अन्यथा (anyathā) - otherwise, in another way

• तु (tu) - but, however, on the other hand

• एषः (eṣaḥ) - this (snake perception/conviction) (this (masculine))

• तिष्ठति (tiṣṭhati) - remains, stands, stays

• एव (eva) - indeed, only, just

• यथा-स्थितः (yathā-sthitaḥ) - as it is, as it stands

Words meanings and morphology

सर्प-एक-प्रत्ययः (sarpa-eka-pratyayaḥ) - the conviction/perception of a snake alone

(noun)

Nominative, masculine, singular of sarpa-eka-pratyaya

sarpa-eka-pratyaya - conviction/perception of a snake alone

Compound type : tatpurusha (sarpa+eka+pratyaya)

• sarpa – snake
  noun (masculine)
• eka – one, single, alone
  adjective (masculine)
• pratyaya – conviction, belief, idea, perception
  noun (masculine)
  Derived from prati-i (to go towards, to believe).
  Prefix: prati
  Root: i (class 2)

रज्ज्वाम् (rajjvām) - in the rope

(noun)

Locative, feminine, singular of rajju

rajju - rope

अ-सर्प-प्रत्यये (a-sarpa-pratyaye) - when there is a conviction/perception of 'not a snake'

(noun)

Locative, masculine, singular of a-sarpa-pratyaya

a-sarpa-pratyaya - conviction of 'not a snake'

Compound type : tatpurusha (a+sarpa+pratyaya)

• a – not, non-
  prefix
• sarpa – snake
  noun (masculine)
• pratyaya – conviction, belief, idea, perception
  noun (masculine)
  Derived from prati-i (to go towards, to believe).
  Prefix: prati
  Root: i (class 2)

बलात् (balāt) - by force, strongly

(noun)

Ablative, neuter, singular of bala

bala - strength, force

Note: Used adverbially.

निवर्तते (nivartate) - ceases, disappears, turns away

(verb)

3rd person , singular, middle, present (laṭ) of nivṛt

Present Middle

Present tense, middle voice (Ātmanepada), 3rd person singular.

Prefix: ni

Root: vṛt (class 1)

अन्यथा (anyathā) - otherwise, in another way

(indeclinable)

तु (tu) - but, however, on the other hand

(indeclinable)

एषः (eṣaḥ) - this (snake perception/conviction) (this (masculine))

(pronoun)

Nominative, masculine, singular of etad

etad - this

तिष्ठति (tiṣṭhati) - remains, stands, stays

(verb)

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

Present Active

Present tense, active voice, 3rd person singular.

Root: sthā (class 1)

एव (eva) - indeed, only, just

(indeclinable)

यथा-स्थितः (yathā-sthitaḥ) - as it is, as it stands

(adjective)

Nominative, masculine, singular of yathā-sthita

yathā-sthita - as it is, as it stands

Past Passive Participle

Compound type : avyayībhāva (yathā+sthita)

• yathā – as, just as
  indeclinable
• sthita – stood, situated, remained
  adjective (masculine)
  Past Passive Participle
  From root sthā (to stand), suffix kta.
  Root: sthā (class 1)

Note: Used adverbially.