योगवासिष्ठः yogavāsiṣṭhaḥ - book-2, chapter-7, verse-27

क्रियया स्पन्दधर्मिण्या स्वार्थसाधकता स्वयम् ।
साधुसंगमसच्छास्त्रतीक्ष्णयोन्नीयते धिया ॥ २७ ॥

kriyayā spandadharmiṇyā svārthasādhakatā svayam ,
sādhusaṃgamasacchāstratīkṣṇayonnīyate dhiyā 27

27. kriyayā spanda-dharmiṇyā sva-artha-sādhakatā svayam
| sādhu-saṅgama-sat-śāstra-tīkṣṇayā unnīyate dhiyā ||

27. spanda-dharmiṇyā kriyayā svayam sva-artha-sādhakatā
sādhu-saṅgama-sat-śāstra-tīkṣṇayā dhiyā unnīyate

27. The inherent capacity of a dynamic action to achieve one's own purpose is elevated (or realized) by keen intellect, sharpened by the association with noble persons (sādhu-saṅgama) and good scriptures.

Words meanings summery:

• क्रियया (kriyayā) - by action, through activity

• स्पन्द-धर्मिण्या (spanda-dharmiṇyā) - having the nature of vibration/motion, dynamic

• स्व-अर्थ-साधकता (sva-artha-sādhakatā) - the capability of achieving one's own purpose

• स्वयम् (svayam) - by oneself, inherently, automatically

• साधु-सङ्गम-सत्-शास्त्र-तीक्ष्णया (sādhu-saṅgama-sat-śāstra-tīkṣṇayā) - by keen (intellect) from association with noble persons and good scriptures

• उन्नीयते (unnīyate) - is elevated, is brought up, is understood, is determined

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

Words meanings and morphology

क्रियया (kriyayā) - by action, through activity

(noun)

Instrumental, feminine, singular of kriyā

kriyā - action, deed, activity, rite

Derived from root √kṛ (to do) with suffix -yā (feminine noun)

Root: kṛ (class 8)

स्पन्द-धर्मिण्या (spanda-dharmiṇyā) - having the nature of vibration/motion, dynamic

(adjective)

Instrumental, feminine, singular of spandadharmin

spandadharmin - having the nature of vibration, characterized by motion, dynamic

Compound type : tatpuruṣa (spanda+dharmin)

• spanda – vibration, throbbing, movement, pulsation
  noun (masculine)
  Derived from root √spand (to vibrate, to move) with suffix -a
  Root: spand (class 1)
• dharmin – possessing an attribute, having a nature or quality
  adjective (masculine)
  Derived from dharma (nature, attribute) with suffix -in

स्व-अर्थ-साधकता (sva-artha-sādhakatā) - the capability of achieving one's own purpose

(noun)

Nominative, feminine, singular of svārthasādhakatā

svārthasādhakatā - the capability of achieving one's own purpose or object

Compound type : tatpuruṣa (svārtha+sādhakatā)

• svārtha – one's own purpose, one's own interest
  noun (masculine)
  From sva (own) + artha (purpose)
• sādhakatā – capability of accomplishing, efficacy, power to effect
  noun (feminine)
  Derived from sādhaka (accomplishing) with suffix -tā (feminine abstract noun suffix)

स्वयम् (svayam) - by oneself, inherently, automatically

(indeclinable)

साधु-सङ्गम-सत्-शास्त्र-तीक्ष्णया (sādhu-saṅgama-sat-śāstra-tīkṣṇayā) - by keen (intellect) from association with noble persons and good scriptures

(adjective)

Instrumental, feminine, singular of sādhusaṅgamasacchāstratīkṣṇa

sādhusaṅgamasacchāstratīkṣṇa - sharp, keen (referring to intellect) due to association with noble persons and good scriptures

Compound type : tatpuruṣa (sādhu+saṅgama+sat+śāstra+tīkṣṇa)

• sādhu – good, virtuous, noble, righteous person
  adjective (masculine)
  Derived from root √sādh (to accomplish, to perfect)
  Root: sādh (class 1)
• saṅgama – association, meeting, union
  noun (masculine)
  Derived from root √gam (to go) with prefix sam- and suffix -a
  Prefix: sam
  Root: gam (class 1)
• sat – good, true, excellent, existing
  adjective (masculine)
  Present Active Participle
  Present Active Participle of root √as (to be)
  Root: as (class 2)
• śāstra – scripture, treatise, rule, science
  noun (neuter)
  Derived from root √śās (to instruct, to rule) with suffix -tra
  Root: śās (class 2)
• tīkṣṇa – sharp, keen, piercing, acute
  adjective (masculine)

उन्नीयते (unnīyate) - is elevated, is brought up, is understood, is determined

(verb)

3rd person , singular, passive, present (laṭ) of unnī

Root √nī (to lead) with prefix ud-

Prefix: ud

Root: nī (class 1)

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

(noun)

Instrumental, feminine, singular of dhī

dhī - intellect, understanding, wisdom, thought