योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-99, verse-29

सम्यग्दर्शनसंसिद्धावुभयोरप्यवेदने ।
यच्छिष्टमजरं शान्तं ततो वाग्विनिवर्तते ॥ २९ ॥

samyagdarśanasaṃsiddhāvubhayorapyavedane ,
yacchiṣṭamajaraṃ śāntaṃ tato vāgvinivartate 29

29. samyagdarśanasaṃsiddhau ubhayoḥ api avedane
yat śiṣṭam ajaram śāntam tataḥ vāk vinivartate

29. samyagdarśanasaṃsiddhau ubhayoḥ api avedane
yat śiṣṭam ajaram śāntam tataḥ vāk vinivartate

29. When the perfect vision is fully realized, and neither (the meaning of "brahman" nor "creation") is perceived as separate, that which remains—ageless and peaceful—from that, speech (vāk) turns back, unable to describe it.

Words meanings summery:

• सम्यग्दर्शनसंसिद्धौ (samyagdarśanasaṁsiddhau) - in the perfect realization of right vision

• उभयोः (ubhayoḥ) - of both

• अपि (api) - also, even, too

• अवेदने (avedane) - in the non-perception, in the absence of knowing

• यत् (yat) - which, that which (neuter)

• शिष्टम् (śiṣṭam) - remaining, left over

• अजरम् (ajaram) - ageless, undecaying

• शान्तम् (śāntam) - peaceful, tranquil, calm

• ततः (tataḥ) - from that, thence, therefore

• वाक् (vāk) - speech (vāk) (speech, word, voice)

• विनिवर्तते (vinivartate) - turns back, retreats, ceases

Words meanings and morphology

सम्यग्दर्शनसंसिद्धौ (samyagdarśanasaṁsiddhau) - in the perfect realization of right vision

(noun)

Locative, feminine, singular of samyagdarśanasaṃsiddhi

samyagdarśanasaṁsiddhi - perfect realization of right vision

Compound type : tatpurusha (samyak+darśana+saṃsiddhi)

• samyak – right, proper, complete, truly
  indeclinable
• darśana – vision, seeing, philosophical system
  noun (neuter)
  Root: dṛś (class 1)
• saṃsiddhi – perfect realization, accomplishment, complete success
  noun (feminine)
  Prefix: sam
  Root: sidh (class 4)

उभयोः (ubhayoḥ) - of both

(pronoun)

Genitive, dual of ubhaya

ubhaya - both

अपि (api) - also, even, too

(indeclinable)

अवेदने (avedane) - in the non-perception, in the absence of knowing

(noun)

Locative, neuter, singular of avedana

avedana - non-perception, not knowing, ignorance

Compound type : nañ-tatpurusha (a+vedana)

• a – not, non-, un-
  prefix
• vedana – perception, knowing, feeling
  noun (neuter)
  Derived from root vid (to know)
  Root: vid (class 2)

यत् (yat) - which, that which (neuter)

(pronoun)

Nominative, neuter, singular of yad

yad - which, what, that which

शिष्टम् (śiṣṭam) - remaining, left over

(adjective)

Nominative, neuter, singular of śiṣṭa

śiṣṭa - remaining, left over, disciplined, taught

Past Passive Participle

Derived from root śiṣ

Root: śiṣ (class 7)

अजरम् (ajaram) - ageless, undecaying

(adjective)

Nominative, neuter, singular of ajara

ajara - ageless, undecaying, immortal

Compound type : nañ-tatpurusha (a+jara)

• a – not, non-, un-
  prefix
• jara – old age, decay, decrepitude
  noun (feminine)
  Root: jṛ (class 1)

शान्तम् (śāntam) - peaceful, tranquil, calm

(adjective)

Nominative, neuter, singular of śānta

śānta - peaceful, tranquil, calm, ceased, extinguished

Past Passive Participle

Derived from root śam

Root: śam (class 4)

ततः (tataḥ) - from that, thence, therefore

(indeclinable)

वाक् (vāk) - speech (vāk) (speech, word, voice)

(noun)

Nominative, feminine, singular of vāc

vāc - speech, word, voice, language

Root: vac (class 2)

विनिवर्तते (vinivartate) - turns back, retreats, ceases

(verb)

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

Present Middle

Root vṛt (to turn) with prefixes vi and ni

Prefixes: vi+ni

Root: vṛt (class 1)