योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-100, verse-19

अज्ञानसत्त्वसंवित्तेर्ज्ञानात्संवेदनात्क्षयः ।
जलज्ञानं मुधा भ्रान्तिः साधो मरुमरीचिषु ॥ १९ ॥

ajñānasattvasaṃvitterjñānātsaṃvedanātkṣayaḥ ,
jalajñānaṃ mudhā bhrāntiḥ sādho marumarīciṣu 19

19. ajñānasattvasaṃvitteḥ jñānāt saṃvedanāt kṣayaḥ
jalajñānam mudhā bhrāntiḥ sādho marumarīciṣu

19. sādho,
ajñānasattvasaṃvitteḥ jñānāt saṃvedanāt kṣayaḥ [bhavati].
marumarīciṣu jalajñānam mudhā bhrāntiḥ [asti]

19. The cessation [of ignorance] arises from the clear understanding of ignorance's (ajñāna) existence, from [true] knowledge, and from [true] awareness. O virtuous one, the perception of water in desert mirages is but a futile delusion.

Words meanings summery:

• अज्ञानसत्त्वसंवित्तेः (ajñānasattvasaṁvitteḥ) - from the awareness of the existence of ignorance (ajñāna)

• ज्ञानात् (jñānāt) - from knowledge

• संवेदनात् (saṁvedanāt) - from awareness, from cognition

• क्षयः (kṣayaḥ) - destruction, cessation, decay

• जलज्ञानम् (jalajñānam) - perception/knowledge of water

• मुधा (mudhā) - in vain, uselessly, falsely

• भ्रान्तिः (bhrāntiḥ) - delusion, illusion, error

• साधो (sādho) - O virtuous one, O good one

• मरुमरीचिषु (marumarīciṣu) - in desert mirages

Words meanings and morphology

अज्ञानसत्त्वसंवित्तेः (ajñānasattvasaṁvitteḥ) - from the awareness of the existence of ignorance (ajñāna)

(noun)

Ablative, feminine, singular of ajñānasattvasaṃvitti

ajñānasattvasaṁvitti - the awareness of the existence/reality of ignorance

Compound type : tatpuruṣa (ajñāna+sattva+saṃvitti)

• ajñāna – ignorance, non-knowledge (ajñāna)
  noun (neuter)
  Prefix: a
• sattva – existence, being, reality, essence
  noun (neuter)
• saṃvitti – awareness, knowledge, consciousness, understanding
  noun (feminine)
  From root vid 'to know' with prefix sam-
  Prefix: sam
  Root: vid (class 6)

ज्ञानात् (jñānāt) - from knowledge

(noun)

Ablative, neuter, singular of jñāna

jñāna - knowledge, wisdom, true knowledge

From root jñā 'to know'

Root: jñā (class 9)

संवेदनात् (saṁvedanāt) - from awareness, from cognition

(noun)

Ablative, neuter, singular of saṃvedana

saṁvedana - awareness, sensation, perception, feeling

From root vid 'to know' with prefix sam-

Prefix: sam

Root: vid (class 6)

क्षयः (kṣayaḥ) - destruction, cessation, decay

(noun)

Nominative, masculine, singular of kṣaya

kṣaya - destruction, decay, cessation, loss, waste

From root kṣi 'to perish'

Root: kṣi (class 1)

जलज्ञानम् (jalajñānam) - perception/knowledge of water

(noun)

Nominative, neuter, singular of jalajñāna

jalajñāna - knowledge of water, perception of water

Compound type : tatpuruṣa (jala+jñāna)

• jala – water
  noun (neuter)
• jñāna – knowledge, perception
  noun (neuter)
  Root: jñā (class 9)

मुधा (mudhā) - in vain, uselessly, falsely

(indeclinable)

भ्रान्तिः (bhrāntiḥ) - delusion, illusion, error

(noun)

Nominative, feminine, singular of bhrānti

bhrānti - delusion, error, confusion, illusion, mistake

From root bhram 'to wander, be confused'

Root: bhram (class 1)

साधो (sādho) - O virtuous one, O good one

(noun)

Vocative, masculine, singular of sādhu

sādhu - good, virtuous, righteous, holy man, sage

मरुमरीचिषु (marumarīciṣu) - in desert mirages

(noun)

Locative, feminine, plural of marumarīci

marumarīci - desert mirage (literally 'desert rays of light')

Compound type : tatpuruṣa (maru+marīci)

• maru – desert, wilderness
  noun (masculine)
• marīci – ray of light, mirage
  noun (feminine)