योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-91, verse-21

संवित्संरोधने श्रेयः परमं विद्धि राघव ।
कारणाक्रमणं यत्र क्षोभस्तत्र न विद्यते ॥ २१ ॥

saṃvitsaṃrodhane śreyaḥ paramaṃ viddhi rāghava ,
kāraṇākramaṇaṃ yatra kṣobhastatra na vidyate 21

21. saṃvit saṃrodhane śreyaḥ paramam viddhi rāghava
kāraṇākramaṇam yatra kṣobhaḥ tatra na vidyate

21. rāghava saṃvit saṃrodhane paramam śreyaḥ viddhi
yatra kāraṇākramaṇam [asti] tatra kṣobhaḥ na vidyate

21. O Rāghava, know that the supreme good (śreyas) lies in the complete restraint of consciousness (saṃvit). Where there is mastery over the fundamental causes [of experience], there is no agitation.

Words meanings summery:

• संवित् (saṁvit) - consciousness, knowledge, understanding

• संरोधने (saṁrodhane) - in the restraint, in the suppression, in the complete obstruction

• श्रेयः (śreyaḥ) - good, welfare, ultimate good, supreme excellence

• परमम् (paramam) - supreme, highest, excellent

• विद्धि (viddhi) - know

• राघव (rāghava) - O Rāghava, descendant of Raghu (an epithet for Rāma)

• कारणाक्रमणम् (kāraṇākramaṇam) - mastery over the fundamental causes [of manifestation/experience] (conquest of causes, mastery over instruments/reasons)

• यत्र (yatra) - where, in which place

• क्षोभः (kṣobhaḥ) - agitation, disturbance, commotion

• तत्र (tatra) - there, in that place

• न (na) - not, no

• विद्यते (vidyate) - exists, is found

Words meanings and morphology

संवित् (saṁvit) - consciousness, knowledge, understanding

(noun)

Nominative, feminine, singular of saṃvit

saṁvit - consciousness, knowledge, understanding, intellect

From sam + √vid (to know).

Prefix: sam

Root: vid (class 2)

संरोधने (saṁrodhane) - in the restraint, in the suppression, in the complete obstruction

(noun)

Locative, neuter, singular of saṃrodhana

saṁrodhana - restraint, suppression, obstruction, confinement

Derived from saṃ + √rudh (to obstruct, stop) + -ana suffix.

Prefix: sam

Root: rudh (class 7)

श्रेयः (śreyaḥ) - good, welfare, ultimate good, supreme excellence

(noun)

Nominative, neuter, singular of śreyas

śreyas - good, welfare, prosperity, superior, better, excellence

Comparative form of śrī (beauty, prosperity) or praśasta (excellent).

परमम् (paramam) - supreme, highest, excellent

(adjective)

Nominative, neuter, singular of parama

parama - highest, supreme, ultimate, excellent, best

Superlative form.

विद्धि (viddhi) - know

(verb)

2nd person , singular, active, imperative (loṭ) of vid

imperative 2nd person singular

Imperative form of √vid (class 2).

Root: vid (class 2)

राघव (rāghava) - O Rāghava, descendant of Raghu (an epithet for Rāma)

(proper noun)

Vocative, masculine, singular of rāghava

rāghava - descendant of Raghu, belonging to Raghu's lineage

From Raghu + aṇ (patronymic suffix).

कारणाक्रमणम् (kāraṇākramaṇam) - mastery over the fundamental causes [of manifestation/experience] (conquest of causes, mastery over instruments/reasons)

(noun)

Nominative, neuter, singular of kāraṇākramaṇa

kāraṇākramaṇa - conquest of causes, mastery over means/instruments

Compound formed from kāraṇa and ākramaṇa.

Compound type : tatpuruṣa (kāraṇa+ākramaṇa)

• kāraṇa – cause, reason, instrument, motive
  noun (neuter)
  From √kṛ (to do) + Lyuṭ suffix.
  Root: kṛ (class 8)
• ākramaṇa – stepping upon, ascending, attack, conquest, overpowering
  noun (neuter)
  From ā + √kram (to step) + Lyuṭ suffix.
  Prefix: ā
  Root: kram (class 1)

यत्र (yatra) - where, in which place

(indeclinable)

क्षोभः (kṣobhaḥ) - agitation, disturbance, commotion

(noun)

Nominative, masculine, singular of kṣobha

kṣobha - agitation, disturbance, commotion, perturbation

From √kṣubh (to tremble, to be agitated) + ghañ suffix.

Root: kṣubh (class 1)

तत्र (tatra) - there, in that place

(indeclinable)

From tad (that) + tral suffix.

न (na) - not, no

(indeclinable)

विद्यते (vidyate) - exists, is found

(verb)

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

present 3rd person singular, middle voice

Present indicative, ātmanepada, of √vid (class 4) meaning "to exist". Differs from class 2 √vid meaning "to know".

Root: vid (class 4)