योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-161, verse-21

रूढा येयमविद्येति संविदव्यभिचारिणी ।
भवतां ननु नास्त्येव सा सरित्स्विव पांसुभूः ॥ २१ ॥

rūḍhā yeyamavidyeti saṃvidavyabhicāriṇī ,
bhavatāṃ nanu nāstyeva sā saritsviva pāṃsubhūḥ 21

21. rūḍhā yā iyam avidyā iti saṃvit avyabhicāriṇī
bhavatām nanu na asti eva sā saritsu iva pāṃsubhūḥ

21. yā iyam avidyā iti rūḍhā sā bhavatām saṃvit
avyabhicāriṇī nanu na eva asti saritsu pāṃsubhūḥ iva

21. This (phenomenon) that is deeply rooted as 'nescience' (avidyā) – for you, it certainly does not exist as an unwavering consciousness, just like dust (is found) in rivers.

Words meanings summery:

• रूढा (rūḍhā) - deeply rooted, firmly established

• या (yā) - which

• इयम् (iyam) - this

• अविद्या (avidyā) - nescience, ignorance

• इति (iti) - thus, so called, so

• संवित् (saṁvit) - consciousness, knowledge

• अव्यभिचारिणी (avyabhicāriṇī) - unwavering, constant, unfailing

• भवताम् (bhavatām) - of you (honorific)

• ननु (nanu) - indeed, surely, is it not?

• न (na) - not, no

• अस्ति (asti) - exists, is

• एव (eva) - indeed, certainly, only

• सा (sā) - that (avidyā) (that)

• सरित्सु (saritsu) - in rivers

• इव (iva) - as if, like

• पांसुभूः (pāṁsubhūḥ) - dust (that is found in rivers) (dust, earth-born)

Words meanings and morphology

रूढा (rūḍhā) - deeply rooted, firmly established

(adjective)

Nominative, feminine, singular of rūḍha

rūḍha - grown, ascended, mounted, famous, conventional, established

Past Passive Participle

Derived from root 'ruh' (to grow, ascend).

Root: ruh (class 1)

Note: Modifies 'avidyā'.

या (yā) - which

(pronoun)

Nominative, feminine, singular of yad

yad - which, what, whatever

इयम् (iyam) - this

(pronoun)

Nominative, feminine, singular of idam

idam - this, this here

अविद्या (avidyā) - nescience, ignorance

(noun)

Nominative, feminine, singular of avidyā

avidyā - nescience, ignorance, spiritual ignorance, illusion

Compound type : nañ-tatpuruṣa (a+vidyā)

• a – not, non-, un-
  indeclinable
• vidyā – knowledge, learning, science
  noun (feminine)
  Root: vid (class 2)

इति (iti) - thus, so called, so

(indeclinable)

संवित् (saṁvit) - consciousness, knowledge

(noun)

Nominative, feminine, singular of saṃvid

saṁvid - consciousness, knowledge, understanding, intelligence

Prefix: sam

Root: vid (class 2)

अव्यभिचारिणी (avyabhicāriṇī) - unwavering, constant, unfailing

(adjective)

Nominative, feminine, singular of avyabhicārin

avyabhicārin - unfailing, not deviating, constant, true

Compound type : nañ-tatpuruṣa (a+vyabhicārin)

• a – not, non-, un-
  indeclinable
• vyabhicārin – deviating, irregular, unfaithful, inconstant
  adjective (masculine)
  agent noun/adjective from root car with prefixes
  From 'vi-' + 'abhi-' + root 'car'.
  Prefixes: vi+abhi
  Root: car (class 1)

Note: Modifies 'saṃvit'.

भवताम् (bhavatām) - of you (honorific)

(pronoun)

Genitive, masculine, plural of bhavat

bhavat - your honor, your lordship (honorific pronoun, lit. 'being')

present active participle

Derived from root 'bhū' (to be, to become).

Root: bhū (class 1)

ननु (nanu) - indeed, surely, is it not?

(indeclinable)

न (na) - not, no

(indeclinable)

अस्ति (asti) - exists, is

(verb)

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

Root: as (class 2)

एव (eva) - indeed, certainly, only

(indeclinable)

सा (sā) - that (avidyā) (that)

(pronoun)

Nominative, feminine, singular of tad

tad - that, he, she, it

Note: Refers back to 'avidyā'.

सरित्सु (saritsu) - in rivers

(noun)

Locative, feminine, plural of sarit

sarit - river, stream

Root: sṛ (class 1)

इव (iva) - as if, like

(indeclinable)

पांसुभूः (pāṁsubhūḥ) - dust (that is found in rivers) (dust, earth-born)

(noun)

Nominative, feminine, singular of pāṃsubhū

pāṁsubhū - dust, earth-born

Compound type : tatpuruṣa (pāṃsu+bhū)

• pāṃsu – dust, sand
  noun (masculine)
• bhū – being, existing, earth, place of origin
  noun (feminine)
  Root: bhū (class 1)