योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-21, verse-38

यावदभ्यासयोगेन न शान्ता भेदधीस्तव ।
नूनं तावदतद्रूपा न ब्रह्म परिपश्यसि ॥ ३८ ॥

yāvadabhyāsayogena na śāntā bhedadhīstava ,
nūnaṃ tāvadatadrūpā na brahma paripaśyasi 38

38. yāvat abhyāsa-yogena na śāntā bheda-dhīḥ tava
nūnam tāvat atad-rūpā na brahma paripaśyasi

38. yāvat abhyāsa-yogena tava bheda-dhīḥ na śāntā
tāvat nūnam atad-rūpā brahma na paripaśyasi

38. As long as your intellect, which perceives duality, has not been calmed through sustained spiritual practice (abhyāsa-yoga), for that long you will certainly not perceive (brahman), as your understanding will be of a nature different from it.

Words meanings summery:

• यावत् (yāvat) - as long as, as much as

• अभ्यास-योगेन (abhyāsa-yogena) - by means of sustained spiritual practice, by means of practice and discipline

• न (na) - not

• शान्ता (śāntā) - calmed, pacified, tranquil

• भेद-धीः (bheda-dhīḥ) - discriminative intellect, mind perceiving duality

• तव (tava) - your, of you

• नूनम् (nūnam) - certainly, indeed, surely

• तावत् (tāvat) - for that long, so much

• अतद्-रूपा (atad-rūpā) - of a nature different from that (Brahman), not of that form

• न (na) - not

• ब्रह्म (brahma) - Brahman, the Absolute Reality

• परिपश्यसि (paripaśyasi) - you perceive, you see

Words meanings and morphology

यावत् (yāvat) - as long as, as much as

(indeclinable)

अभ्यास-योगेन (abhyāsa-yogena) - by means of sustained spiritual practice, by means of practice and discipline

(noun)

Instrumental, masculine, singular of abhyāsa-yoga

abhyāsa-yoga - practice and discipline, sustained spiritual effort

Compound type : dvandva (abhyāsa+yoga)

• abhyāsa – practice, repetition, study, spiritual exercise
  noun (masculine)
  Prefix: abhi
  Root: √as (class 4)
• yoga – discipline, union, concentration, method
  noun (masculine)
  Root: √yuj (class 7)

न (na) - not

(indeclinable)

शान्ता (śāntā) - calmed, pacified, tranquil

(adjective)

Nominative, feminine, singular of śānta

śānta - calm, peaceful, pacified, tranquil

Past Passive Participle

Derived from root śam (to be calm)

Root: √śam (class 4)

Note: Agrees with 'bheda-dhīḥ'

भेद-धीः (bheda-dhīḥ) - discriminative intellect, mind perceiving duality

(noun)

Nominative, feminine, singular of bheda-dhī

bheda-dhī - intellect that perceives difference/duality

Compound type : tatpurusha (bheda+dhī)

• bheda – difference, distinction, duality
  noun (masculine)
  Root: √bhid (class 7)
• dhī – intellect, mind, thought, understanding
  noun (feminine)
  Root: √dhyai (class 1)

तव (tava) - your, of you

(pronoun)

Genitive, singular of yuṣmad

yuṣmad - you (second person pronoun)

नूनम् (nūnam) - certainly, indeed, surely

(indeclinable)

तावत् (tāvat) - for that long, so much

(indeclinable)

अतद्-रूपा (atad-rūpā) - of a nature different from that (Brahman), not of that form

(adjective)

Nominative, feminine, singular of atadrūpa

atadrūpa - not of that form or nature

Compound type : bahuvrihi (a+tat+rūpa)

• a – not, non-
  indeclinable
  negation prefix
• tat – that
  pronoun (neuter)
• rūpa – form, nature, appearance
  noun (neuter)

Note: Agrees with 'bheda-dhīḥ' (or implied 'tvam' as a feminine noun)

न (na) - not

(indeclinable)

ब्रह्म (brahma) - Brahman, the Absolute Reality

(noun)

Accusative, neuter, singular of brahman

brahman - Brahman, the Absolute, the ultimate reality, sacred utterance, priest

Root: √bṛh (class 1)

परिपश्यसि (paripaśyasi) - you perceive, you see

(verb)

2nd person , singular, active, present (lat) of pari-√dṛś

4th class verb with prefix pari-

Prefix: pari

Root: √dṛś (class 4)