योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-128, verse-63

शिष्यप्रज्ञैव बोधस्य कारणं गुरुवाक्यतः ।
मलत्रयमपक्वं चेत्कथं बुद्ध्यति पक्ववत् ॥ ६३ ॥

śiṣyaprajñaiva bodhasya kāraṇaṃ guruvākyataḥ ,
malatrayamapakvaṃ cetkathaṃ buddhyati pakvavat 63

63. śiṣyaprajñā eva bodhasya kāraṇam guruvākyataḥ
malatrayam apakvam cet katham buddhyati pakvavat

63. guruvākyataḥ bodhasya śiṣyaprajñā eva kāraṇam
cet malatrayam apakvam katham pakvavat buddhyati

63. The disciple's intelligence (prajñā) alone is the cause of spiritual knowledge (bodha) stemming from the words of the spiritual guide (guru). If the threefold impurity (mala) is not yet ripened (or removed), how can one understand as if fully mature?

Words meanings summery:

• शिष्यप्रज्ञा (śiṣyaprajñā) - the innate understanding or intellectual capacity of the disciple (disciple's intelligence, wisdom of the disciple)

• एव (eva) - indeed, certainly, only

• बोधस्य (bodhasya) - of spiritual knowledge or enlightenment (bodha) (of knowledge, of awakening, of understanding (bodha))

• कारणम् (kāraṇam) - cause, reason, instrument

• गुरुवाक्यतः (guruvākyataḥ) - from the instructions or statements of the spiritual guide (guru) (from the guru's words, by means of the guru's teaching)

• मलत्रयम् (malatrayam) - The three types of impurity in Śaiva philosophy (āṇava, kārma, māyīya mala) (the threefold impurity (mala))

• अपक्वम् (apakvam) - not yet matured or purified (referring to the impurities) (unripe, immature, raw, uncooked)

• चेत् (cet) - if

• कथम् (katham) - how, in what manner

• बुद्ध्यति (buddhyati) - understands, perceives, awakens

• पक्ववत् (pakvavat) - as if one's understanding or impurities are fully mature/purified (like a ripe one, as if ripe/mature)

Words meanings and morphology

शिष्यप्रज्ञा (śiṣyaprajñā) - the innate understanding or intellectual capacity of the disciple (disciple's intelligence, wisdom of the disciple)

(noun)

Nominative, feminine, singular of śiṣyaprajñā

śiṣyaprajñā - disciple's intelligence, wisdom of the disciple

Compound type : ṣaṣṭhī-tatpuruṣa (śiṣya+prajñā)

• śiṣya – disciple, student
  noun (masculine)
  Gerundive
  Derived from √śās (to teach)
  Root: śās (class 2)
• prajñā – intelligence (prajñā), wisdom, insight
  noun (feminine)
  Derived from `pra-jñā`
  Prefix: pra
  Root: jñā (class 9)

Note: Compound: Śiṣya + Prajñā

एव (eva) - indeed, certainly, only

(indeclinable)

Emphatic particle

बोधस्य (bodhasya) - of spiritual knowledge or enlightenment (bodha) (of knowledge, of awakening, of understanding (bodha))

(noun)

Genitive, masculine, singular of bodha

bodha - knowledge (bodha), awakening, understanding

Derived from √budh

Root: budh (class 1)

कारणम् (kāraṇam) - cause, reason, instrument

(noun)

Nominative, neuter, singular of kāraṇa

kāraṇa - cause, reason, instrument, motive

Derived from √kṛ

Root: kṛ (class 8)

गुरुवाक्यतः (guruvākyataḥ) - from the instructions or statements of the spiritual guide (guru) (from the guru's words, by means of the guru's teaching)

(indeclinable)

Ablative suffix `-tas`

Compound type : ṣaṣṭhī-tatpuruṣa (guru+vākya)

• guru – spiritual guide (guru), teacher, heavy
  noun (masculine)
  Root: gṛ (class 6)
• vākya – word, speech, sentence, teaching
  noun (neuter)
  Derived from √vac
  Root: vac (class 2)

Note: Ablative suffix -tas; compound: Guru + Vākya

मलत्रयम् (malatrayam) - The three types of impurity in Śaiva philosophy (āṇava, kārma, māyīya mala) (the threefold impurity (mala))

(noun)

Nominative, neuter, singular of malatraya

malatraya - the threefold impurity (mala)

Compound type : tatpuruṣa (mala+traya)

• mala – impurity (mala), dirt, defilement
  noun (masculine)
  Root: mal
• traya – triad, three
  noun (neuter)
  Root: tri

Note: Compound: Mala + Traya

अपक्वम् (apakvam) - not yet matured or purified (referring to the impurities) (unripe, immature, raw, uncooked)

(adjective)

Nominative, neuter, singular of apakva

apakva - unripe, immature, raw, uncooked

Negative prefix `a-` + `pakva` (Past Passive Participle of √pac)

Compound type : nañ-tatpuruṣa (a+pakva)

• a – un-, not
  prefix
  Negative particle
• pakva – ripe, mature, cooked
  adjective (neuter)
  Past Passive Participle
  Derived from √pac
  Root: pac (class 1)

Note: Nañ-tatpuruṣa compound: A + Pakva

चेत् (cet) - if

(indeclinable)

Conditional particle

कथम् (katham) - how, in what manner

(indeclinable)

Interrogative adverb

बुद्ध्यति (buddhyati) - understands, perceives, awakens

(verb)

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

Present Active

Present 3rd person singular active, from √budh (Divādi class, 4th conjugation)

Root: budh (class 4)

पक्ववत् (pakvavat) - as if one's understanding or impurities are fully mature/purified (like a ripe one, as if ripe/mature)

(indeclinable)

Suffix `-vat` (like, as if) added to `pakva` (Past Passive Participle of √pac)