योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-12, verse-36

संपन्ने संगमे साधोरविद्यार्धं क्षयं गतम् ।
विद्धि वेद्यविदां श्रेष्ठ ज्येष्ठश्रेष्ठदशोदयात् ॥ ३६ ॥

saṃpanne saṃgame sādhoravidyārdhaṃ kṣayaṃ gatam ,
viddhi vedyavidāṃ śreṣṭha jyeṣṭhaśreṣṭhadaśodayāt 36

36. sampanne saṅgame sādhoḥ avidyārdham kṣayam gatam
viddhi vedyavidām śreṣṭha jyeṣṭhaśreṣṭhadaśodayāt

36. vedyavidām śreṣṭha sampanne sādhoḥ saṅgame
jyeṣṭhaśreṣṭhadaśodayāt avidyārdham kṣayam gatam viddhi

36. Know, O best among those who understand what is to be known, that upon the full attainment of the company of a virtuous person (sādhu), half of ignorance (avidyā) is destroyed, owing to the emergence of the supreme tenth (stage of spiritual knowledge).

Words meanings summery:

• सम्पन्ने (sampanne) - when fully attained (when complete, upon completion, attained, accomplished)

• सङ्गमे (saṅgame) - in the association (in company, in meeting, in association, in union)

• साधोः (sādhoḥ) - of a good person, of a virtuous person, of a sage

• अविद्यार्धम् (avidyārdham) - half of ignorance

• क्षयम् (kṣayam) - to destruction (destruction, decay, loss, waste)

• गतम् (gatam) - is gone, reached (destruction) (gone, reached, attained, obtained)

• विद्धि (viddhi) - know, understand, realize

• वेद्यविदाम् (vedyavidām) - of those who know what is to be known, of the wise

• श्रेष्ठ (śreṣṭha) - O best, O supreme, O most excellent

• ज्येष्ठश्रेष्ठदशोदयात् (jyeṣṭhaśreṣṭhadaśodayāt) - from the emergence of the supreme tenth stage of spiritual knowledge (from the rise of the supreme, best tenth (stage))

Words meanings and morphology

सम्पन्ने (sampanne) - when fully attained (when complete, upon completion, attained, accomplished)

(adjective)

Locative, masculine, singular of sampanna

sampanna - accomplished, complete, fulfilled, endowed with

Past Passive Participle

Derived from root pad with prefix sam

Prefix: sam

Root: pad (class 4)

सङ्गमे (saṅgame) - in the association (in company, in meeting, in association, in union)

(noun)

Locative, masculine, singular of saṅgama

saṅgama - meeting, union, association, contact, company

Prefix: sam

Root: gam (class 1)

साधोः (sādhoḥ) - of a good person, of a virtuous person, of a sage

(noun)

Genitive, masculine, singular of sādhu

sādhu - good, virtuous, righteous; a virtuous person, a sage, a saint

अविद्यार्धम् (avidyārdham) - half of ignorance

(noun)

Nominative, neuter, singular of avidyārdha

avidyārdha - half of ignorance

Compound type : ṣaṣṭhī-tatpuruṣa (avidyā+ardha)

• avidyā – ignorance, nescience, spiritual ignorance
  noun (feminine)
  a- (negation) + vidyā (knowledge)
• ardha – half, a part, portion
  noun (neuter)

क्षयम् (kṣayam) - to destruction (destruction, decay, loss, waste)

(noun)

Accusative, masculine, singular of kṣaya

kṣaya - destruction, decay, diminution, loss, end

Root: kṣi (class 1)

Note: Used adverbially here, signifying a state or goal.

गतम् (gatam) - is gone, reached (destruction) (gone, reached, attained, obtained)

(adjective)

Nominative, neuter, singular of gata

gata - gone, departed, reached, attained, passed

Past Passive Participle

Derived from root gam

Root: gam (class 1)

Note: Modifies 'avidyārdham' as part of the predicate 'kṣayam gatam'.

विद्धि (viddhi) - know, understand, realize

(verb)

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

Root: vid (class 2)

वेद्यविदाम् (vedyavidām) - of those who know what is to be known, of the wise

(noun)

Genitive, masculine, plural of vedyavid

vedyavid - knower of what is to be known, one who understands the knowable

Compound type : tatpurusha (vedya+vid)

• vedya – to be known, knowable, understandable
  adjective (neuter)
  Gerundive
  Derived from root vid
  Root: vid (class 2)
• vid – knower, one who understands
  noun (masculine)
  Root: vid (class 2)

श्रेष्ठ (śreṣṭha) - O best, O supreme, O most excellent

(adjective)

Vocative, masculine, singular of śreṣṭha

śreṣṭha - best, most excellent, supreme, chief

Note: Used as a vocative noun.

ज्येष्ठश्रेष्ठदशोदयात् (jyeṣṭhaśreṣṭhadaśodayāt) - from the emergence of the supreme tenth stage of spiritual knowledge (from the rise of the supreme, best tenth (stage))

(noun)

Ablative, masculine, singular of jyeṣṭhaśreṣṭhadaśodaya

jyeṣṭhaśreṣṭhadaśodaya - the rise/emergence of the supreme best tenth (stage)

Compound type : ṣaṣṭhī-tatpuruṣa (jyeṣṭha+śreṣṭha+daśa+udaya)

• jyeṣṭha – eldest, oldest, chief, best, supreme
  adjective (masculine)
• śreṣṭha – best, most excellent, supreme, principal
  adjective (masculine)
• daśa – ten, tenth
  numeral
• udaya – rise, ascent, emergence, dawn, prosperity
  noun (masculine)
  Prefix: ud
  Root: i (class 2)