योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-34, verse-28

सम्यगालोकनात्सत्याद्वासना प्रविलीयते ।
वासनाविलये चेतः शममायाति दीपवत् ॥ २८ ॥

samyagālokanātsatyādvāsanā pravilīyate ,
vāsanāvilaye cetaḥ śamamāyāti dīpavat 28

28. samyak ālokanāt satyāt vāsanā pravilīyate
| vāsanāvilaye cetas śamam āyāti dīpavat ||

28. satyāt samyak ālokanāt vāsanā pravilīyate
vāsanāvilaye cetas dīpavat śamam āyāti

28. When truth is rightly perceived, subtle desires (vāsanā) dissolve. Upon the dissolution of these subtle desires, the mind (cetas) attains tranquility, just like a lamp that goes out.

Words meanings summery:

• सम्यक् (samyak) - rightly, properly, thoroughly, completely

• आलोकनात् (ālokanāt) - from observation, from perception, from understanding

• सत्यात् (satyāt) - from truth, from reality

• वासना (vāsanā) - latent impression, subtle desire, habitual tendency, inclination

• प्रविलीयते (pravilīyate) - disappears, dissolves, vanishes, melts away

• वासनाविलये (vāsanāvilaye) - in the dissolution of latent impressions, upon the disappearance of subtle desires

• चेतस् (cetas) - mind, consciousness, intellect

• शमम् (śamam) - peace, tranquility, quietude, cessation

• आयाति (āyāti) - attains, comes to, approaches

• दीपवत् (dīpavat) - like a lamp, like a light

Words meanings and morphology

सम्यक् (samyak) - rightly, properly, thoroughly, completely

(indeclinable)

derived from sam + añc

Root: añc (class 1)

आलोकनात् (ālokanāt) - from observation, from perception, from understanding

(noun)

Ablative, neuter, singular of ālokana

ālokana - observation, perception, seeing, understanding

derived from ā-lok with suffix -ana

Prefix: ā

Root: lok (class 10)

सत्यात् (satyāt) - from truth, from reality

(noun)

Ablative, neuter, singular of satya

satya - truth, reality, existence

Root: as (class 2)

वासना (vāsanā) - latent impression, subtle desire, habitual tendency, inclination

(noun)

Nominative, feminine, singular of vāsanā

vāsanā - latent impression, subtle desire, habitual tendency, inclination

from root `vas` (to dwell)

Root: vas (class 1)

प्रविलीयते (pravilīyate) - disappears, dissolves, vanishes, melts away

(verb)

3rd person , singular, passive, present (laṭ) of pravilī

Present Middle Passive

Root `lī` with prefix `pra-vi`, in the passive voice.

Prefixes: pra+vi

Root: lī (class 4)

वासनाविलये (vāsanāvilaye) - in the dissolution of latent impressions, upon the disappearance of subtle desires

(noun)

Locative, masculine, singular of vāsanāvilaya

vāsanāvilaya - dissolution of latent impressions, disappearance of subtle desires

Compound type : tatpurusha (vāsanā+vilaya)

• vāsanā – latent impression, subtle desire, habitual tendency
  noun (feminine)
  from root `vas` (to dwell)
  Root: vas (class 1)
• vilaya – dissolution, disappearance, destruction
  noun (masculine)
  from `vi`-`lī` + `a`
  Prefix: vi
  Root: lī (class 4)

चेतस् (cetas) - mind, consciousness, intellect

(noun)

Nominative, neuter, singular of cetas

cetas - mind, consciousness, intellect

from root `cit` (to perceive)

Root: cit (class 1)

शमम् (śamam) - peace, tranquility, quietude, cessation

(noun)

Accusative, masculine, singular of śama

śama - peace, tranquility, quietude, cessation, control of mind

from root `śam` (to be tranquil)

Root: śam (class 1)

आयाति (āyāti) - attains, comes to, approaches

(verb)

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

Present Active

Root `yā` with prefix `ā`

Prefix: ā

Root: yā (class 2)

दीपवत् (dīpavat) - like a lamp, like a light

(indeclinable)

`dīpa` + `vat` (possessive suffix, here indicating similarity)

Note: Used adverbially to mean 'like a lamp'.