योगवासिष्ठः yogavāsiṣṭhaḥ - book-2, chapter-6, verse-33

क्रियया स्पन्दधर्मिण्या स्वार्थसाधकता स्वयम् ।
साधुसंगमसच्छास्त्रतीक्ष्णयोन्नीयते धिया ॥ ३३ ॥

kriyayā spandadharmiṇyā svārthasādhakatā svayam ,
sādhusaṃgamasacchāstratīkṣṇayonnīyate dhiyā 33

33. kriyayā spandadharmiṇyā svārthasādhakatā svayam
sādhusaṅgamasacchāstratīkṣṇayā unnīyate dhiyā

33. kriyayā spandadharmiṇyā svārthasādhakatā svayam
sādhusaṅgamasacchāstratīkṣṇayā dhiyā unnīyate

33. The capacity for achieving one's own purpose through an active deed is naturally discerned by an intelligence sharpened by the company of virtuous people and authentic scriptures.

Words meanings summery:

• क्रियया (kriyayā) - by action, by deed, by activity

• स्पन्दधर्मिण्या (spandadharmiṇyā) - through an active (deed) (by that having the nature of motion/vibration/activity, by the active)

• स्वार्थसाधकता (svārthasādhakatā) - the capacity for achieving one's own purpose (efficacy for one's own purpose, capacity to achieve self-interest)

• स्वयम् (svayam) - naturally (by oneself, spontaneously, naturally, automatically)

• साधुसङ्गमसच्छास्त्रतीक्ष्णया (sādhusaṅgamasacchāstratīkṣṇayā) - sharpened by the company of virtuous people and authentic scriptures (by that which is sharpened by the company of virtuous people and authentic scriptures)

• उन्नीयते (unnīyate) - is discerned (is led up, is inferred, is understood, is discerned, is uplifted)

• धिया (dhiyā) - by intelligence, by understanding, by intellect

Words meanings and morphology

क्रियया (kriyayā) - by action, by deed, by activity

(noun)

Instrumental, feminine, singular of kriyā

kriyā - action, deed, activity, rite

Derived from √kṛ + ya + ā

Root: kṛ (class 8)

स्पन्दधर्मिण्या (spandadharmiṇyā) - through an active (deed) (by that having the nature of motion/vibration/activity, by the active)

(adjective)

Instrumental, feminine, singular of spandadharmin

spandadharmin - having the nature of motion, characterized by activity

Derived from spanda + dharmin (possessing dharma)

Compound type : bahuvrīhi (spanda+dharmin)

• spanda – vibration, tremor, motion, stir
  noun (masculine)
  Derived from √spand
  Root: spand (class 1)
• dharmin – having the quality of, possessing a characteristic, characterized by
  adjective (masculine)
  Derived from dharma + ini

Note: Agrees with 'kriyayā'.

स्वार्थसाधकता (svārthasādhakatā) - the capacity for achieving one's own purpose (efficacy for one's own purpose, capacity to achieve self-interest)

(noun)

Nominative, feminine, singular of svārthasādhakatā

svārthasādhakatā - efficacy for one's own purpose, capacity to achieve self-interest

Compound type : tatpuruṣa (svārtha+sādhakatā)

• sva – self, one's own
  pronoun
• artha – purpose, meaning, object, wealth
  noun (masculine)
• sādhakatā – efficacy, capacity to accomplish, instrumentality
  noun (feminine)
  Derived from sādhaka (agent of accomplishing) + tā (abstract suffix)

स्वयम् (svayam) - naturally (by oneself, spontaneously, naturally, automatically)

(indeclinable)

साधुसङ्गमसच्छास्त्रतीक्ष्णया (sādhusaṅgamasacchāstratīkṣṇayā) - sharpened by the company of virtuous people and authentic scriptures (by that which is sharpened by the company of virtuous people and authentic scriptures)

(adjective)

Instrumental, feminine, singular of sādhusaṅgamasacchāstratīkṣṇa

sādhusaṅgamasacchāstratīkṣṇa - sharpened by the company of virtuous people and authentic scriptures

Compound type : tatpuruṣa (sādhusaṅgama+sacchāstra+tīkṣṇa)

• sādhu – virtuous, good, honest; a good person, a sage
  noun (masculine)
• saṅgama – meeting, association, union, company
  noun (masculine)
  Derived from sam-√gam
  Prefix: sam
  Root: gam (class 1)
• sat – good, true, virtuous, existing, real
  adjective (masculine)
  Present Active Participle
  Derived from √as + śatṛ
  Root: as (class 2)
• śāstra – scripture, treatise, sacred text, rule, science
  noun (neuter)
  Derived from √śās + tra
  Root: śās (class 2)
• tīkṣṇa – sharp, keen, pungent, severe
  adjective (masculine)

Note: Agrees with 'dhiyā'.

उन्नीयते (unnīyate) - is discerned (is led up, is inferred, is understood, is discerned, is uplifted)

(verb)

3rd person , singular, passive, present (lat) of unnīyate

Present Passive

Root √nī (1P) with 'ut' prefix, passive voice, present tense, 3rd person singular.

Prefix: ut

Root: nī (class 1)

धिया (dhiyā) - by intelligence, by understanding, by intellect

(noun)

Instrumental, feminine, singular of dhī

dhī - intelligence, understanding, thought, intellect