योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-114, verse-59

रज्जुसर्पविकल्पौ द्वावक्षेनैवोपकल्पितौ ।
ज्ञेन त्वेकैव निर्णीता ब्रह्मदृष्टिरकृत्रिमा ॥ ५९ ॥

rajjusarpavikalpau dvāvakṣenaivopakalpitau ,
jñena tvekaiva nirṇītā brahmadṛṣṭirakṛtrimā 59

59. rajju-sarpa-vikalpau dvau akṣeṇa eva upakalpitau
jñena tu ekā eva nirṇītā brahma-dṛṣṭiḥ akṛtrimā

59. dvau rajju-sarpa-vikalpau akṣeṇa eva upakalpitau.
tu jñena ekā eva akṛtrimā brahma-dṛṣṭiḥ nirṇītā.

59. The two false perceptions, that of a rope and a snake, are merely conjured by the senses. However, for the wise, only one (reality) is truly ascertained: the authentic, uncreated vision of (brahman).

Words meanings summery:

• रज्जु-सर्प-विकल्पौ (rajju-sarpa-vikalpau) - the two false perceptions of a rope and a snake (two false perceptions of rope-snake)

• द्वौ (dvau) - two (perceptions) (two (masculine))

• अक्षेण (akṣeṇa) - by the senses (by the sense organ, by the eye)

• एव (eva) - indeed, only, very

• उपकल्पितौ (upakalpitau) - merely conjured (by the senses) (imagined, produced, conjured, arranged (dual))

• ज्ञेन (jñena) - by the wise (by the knowing one, by the wise person)

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

• एका (ekā) - only one (reality) (one (feminine))

• एव (eva) - indeed, only, very

• निर्णीता (nirṇītā) - truly ascertained (ascertained, determined, decided (feminine))

• ब्रह्म-दृष्टिः (brahma-dṛṣṭiḥ) - the vision of (brahman) (vision/perception of brahman)

• अकृत्रिमा (akṛtrimā) - authentic, uncreated (uncreated, natural, genuine, not artificial (feminine))

Words meanings and morphology

रज्जु-सर्प-विकल्पौ (rajju-sarpa-vikalpau) - the two false perceptions of a rope and a snake (two false perceptions of rope-snake)

(noun)

Nominative, masculine, dual of rajju-sarpa-vikalpa

rajju-sarpa-vikalpa - false perception of a rope as a snake (or vice versa), illusion of rope-snake

Compound type : dvandva (rajju+sarpa+vikalpa)

• rajju – rope, cord
  noun (feminine)
• sarpa – snake, serpent
  noun (masculine)
  Root: sṛp (class 1)
• vikalpa – alternative, option, false notion, illusion, doubt
  noun (masculine)
  verbal noun
  from kḷp (to prepare) with vi prefix + a suffix
  Prefix: vi
  Root: kḷp (class 1)

Note: Refers to the two distinct objects of illusion.

द्वौ (dvau) - two (perceptions) (two (masculine))

(numeral)

Note: Agrees with rajju-sarpa-vikalpau.

अक्षेण (akṣeṇa) - by the senses (by the sense organ, by the eye)

(noun)

Instrumental, masculine, singular of akṣa

akṣa - eye, sense organ, die (for gaming), axle

एव (eva) - indeed, only, very

(indeclinable)

उपकल्पितौ (upakalpitau) - merely conjured (by the senses) (imagined, produced, conjured, arranged (dual))

(participle)

Nominative, masculine, dual of upakalpita

upakalpita - imagined, fabricated, produced, arranged

Past Passive Participle

from kḷp (to prepare) with upa prefix + kta suffix

Prefix: upa

Root: kḷp (class 1)

Note: Agrees with rajju-sarpa-vikalpau.

ज्ञेन (jñena) - by the wise (by the knowing one, by the wise person)

(noun)

Instrumental, masculine, singular of jña

jña - knowing, wise; a knowing person, sage

Root: jñā (class 9)

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

(indeclinable)

Note: Used for contrast.

एका (ekā) - only one (reality) (one (feminine))

(numeral)

Note: Agrees with brahma-dṛṣṭiḥ, referring to the singular truth.

एव (eva) - indeed, only, very

(indeclinable)

निर्णीता (nirṇītā) - truly ascertained (ascertained, determined, decided (feminine))

(participle)

Nominative, feminine, singular of nirṇīta

nirṇīta - ascertained, determined, decided, concluded

Past Passive Participle

from nī (to lead) with nir prefix + kta suffix

Prefix: nir

Root: nī (class 1)

Note: Agrees with brahma-dṛṣṭiḥ.

ब्रह्म-दृष्टिः (brahma-dṛṣṭiḥ) - the vision of (brahman) (vision/perception of brahman)

(noun)

Nominative, feminine, singular of brahma-dṛṣṭi

brahma-dṛṣṭi - vision of brahman, perception of the Absolute

Compound type : ṣaṣṭhī-tatpuruṣa (brahman+dṛṣṭi)

• brahman – the Absolute, ultimate reality
  noun (neuter)
  Root: bṛh
• dṛṣṭi – sight, vision, perception
  noun (feminine)
  verbal noun
  from dṛś (to see) + ktin suffix
  Root: dṛś

अकृत्रिमा (akṛtrimā) - authentic, uncreated (uncreated, natural, genuine, not artificial (feminine))

(adjective)

Nominative, feminine, singular of akṛtrima

akṛtrima - unartificial, natural, genuine, uncreated

Compound type : nañ-tatpuruṣa (a+kṛtrima)

• a – not, non-, un-
  indeclinable
• kṛtrima – artificial, made, created
  adjective (masculine)
  Root: kṛ (class 8)

Note: Agrees with brahma-dṛṣṭiḥ.