योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-209, verse-16

आविला संविदा संविच्छून्यया वेद्यते क्षणात् ।
न हि सन्नद्धगात्रस्य क्लेशोऽसन्नद्धमेदने ॥ १६ ॥

āvilā saṃvidā saṃvicchūnyayā vedyate kṣaṇāt ,
na hi sannaddhagātrasya kleśo'sannaddhamedane 16

16. āvilā saṃvidā saṃvicchūnyayā vedyate kṣaṇāt na
hi sannaddhagātrasya kleśaḥ asannaddhamedane

16. āvilā saṃvit saṃvicchūnyayā kṣaṇāt vedyate.
hi sannaddhagātrasya asannaddhamedane kleśaḥ na.

16. Agitated consciousness is perceived instantaneously by consciousness (saṃvid) when it is free from (agitation or duality). Indeed, just as for a person whose body is fully armored, there is no affliction (kleśa) from an unprotected wound.

Words meanings summery:

• आविला (āvilā) - turbid, agitated, confused, impure

• संविदा (saṁvidā) - by consciousness (saṃvid), by understanding

• संविच्छून्यया (saṁvicchūnyayā) - by consciousness (saṃvid) that is devoid of consciousness, by empty consciousness

• वेद्यते (vedyate) - is known, is understood, is perceived

• क्षणात् (kṣaṇāt) - instantaneously, in a moment, from a moment

• न (na) - not

• हि (hi) - indeed, surely

• सन्नद्धगात्रस्य (sannaddhagātrasya) - of one whose body is equipped/armored

• क्लेशः (kleśaḥ) - suffering (kleśa), affliction, pain, trouble

• असन्नद्धमेदने (asannaddhamedane) - in an unprotected point of attack (in an unequipped/unarmored breach/rupture/vulnerability)

Words meanings and morphology

आविला (āvilā) - turbid, agitated, confused, impure

(adjective)

Nominative, feminine, singular of āvila

āvila - turbid, agitated, confused, impure

From prefix ā- and root √vil (to stir, to agitate)

Prefix: ā

Root: vil

Note: It qualifies the implied `saṃvit` which is the subject of the passive verb `vedyate`.

संविदा (saṁvidā) - by consciousness (saṃvid), by understanding

(noun)

Instrumental, feminine, singular of saṃvid

saṁvid - consciousness (saṃvid), understanding, knowledge

From prefix sam- and root √vid (to know)

Prefix: sam

Root: vid (class 2)

संविच्छून्यया (saṁvicchūnyayā) - by consciousness (saṃvid) that is devoid of consciousness, by empty consciousness

(adjective)

Instrumental, feminine, singular of saṃvicchūnya

saṁvicchūnya - devoid of consciousness, empty of consciousness

Tatpurusha compound: saṃvit (consciousness) + śūnya (empty)

Compound type : tatpurusha (saṃvid+śūnya)

• saṃvid – consciousness (saṃvid), understanding
  noun (feminine)
  From prefix sam- and root √vid (to know)
  Prefix: sam
  Root: vid (class 2)
• śūnya – empty, void, devoid of, null
  adjective
  From root √śū (to swell, to be empty)
  Root: śū (class 1)

Note: Acts as the agent of the passive verb `vedyate`.

वेद्यते (vedyate) - is known, is understood, is perceived

(verb)

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

Present indicative, 3rd person singular, ātmanepada, passive voice, from root √vid (class 4, 'to exist' or 7 'to know' passive)

Root: vid (class 4)

क्षणात् (kṣaṇāt) - instantaneously, in a moment, from a moment

(indeclinable)

Root: kṣaṇ (class 1)

Note: Used adverbially.

न (na) - not

(indeclinable)

हि (hi) - indeed, surely

(indeclinable)

सन्नद्धगात्रस्य (sannaddhagātrasya) - of one whose body is equipped/armored

(adjective)

Genitive, masculine, singular of sannaddhagātra

sannaddhagātra - one whose body is equipped, armored body

Bahuvrihi compound: sannaddha (equipped) + gātra (body), meaning 'having an equipped body'

Compound type : bahuvrihi (sannaddha+gātra)

• sannaddha – equipped, prepared, armored
  adjective
  Past Passive Participle
  From prefix sam- and root √nah (to bind, to tie) + suffix -ta
  Prefix: sam
  Root: nah (class 4)
• gātra – body, limb
  noun (neuter)
  Root: ga

Note: Genitive case indicating possession.

क्लेशः (kleśaḥ) - suffering (kleśa), affliction, pain, trouble

(noun)

Nominative, masculine, singular of kleśa

kleśa - suffering (kleśa), affliction, pain, trouble

From root √kliś (to torment, to suffer)

Root: kliś (class 9)

Note: Subject of the sentence (with 'na').

असन्नद्धमेदने (asannaddhamedane) - in an unprotected point of attack (in an unequipped/unarmored breach/rupture/vulnerability)

(noun)

Locative, neuter, singular of asannaddhamedana

asannaddhamedana - unequipped breach, unarmored point of attack/rupture

Tatpurusha compound: a-sannaddha (unequipped) + medana (breaking, breach). A-sannaddha is Nañ-tatpuruṣa, and then combined with medana. 'medana' from √mid (to be fat, but also to unite, sometimes 'to divide' or 'to pierce'). Here probably 'rupture' or 'breach' or 'vulnerable point'.

Compound type : nañ-tatpuruṣa (a-sannaddha+medana)

• a – not, un-
  indeclinable
  Negative prefix
• sannaddha – equipped, prepared, armored
  adjective
  Past Passive Participle
  From prefix sam- and root √nah (to bind, to tie) + suffix -ta
  Prefix: sam
  Root: nah (class 4)
• medana – breaking, breach, wounding (from √mid or √bhid)
  noun (neuter)
  From root √mid (to be fat), also related to breaking/piercing in some contexts, or perhaps from √bhid (to break) with change
  Root: mid

Note: Location where suffering might or might not occur.