योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-89, verse-29

तथा स्वभाववशतो द्रव्यकालक्रियाक्रमाः ।
नियतं साधयन्त्याशु प्रयोगं युक्तियोजिताः ॥ २९ ॥

tathā svabhāvavaśato dravyakālakriyākramāḥ ,
niyataṃ sādhayantyāśu prayogaṃ yuktiyojitāḥ 29

29. tathā svabhāvavaśataḥ dravyakālakriyākramāḥ
niyatam sādhayanti āśu prayogam yuktiyojitāḥ

29. tathā svabhāvavaśataḥ yuktiyojitāḥ dravyakālakriyākramāḥ niyatam āśu prayogam sādhayanti.

29. Similarly, by the force of their intrinsic nature (svabhāva), substances, time, and sequences of actions, when appropriately applied, swiftly achieve their intended purpose.

Words meanings summery:

• तथा (tathā) - similarly (so, thus, in that manner, similarly)

• स्वभाववशतः (svabhāvavaśataḥ) - by the force of their intrinsic nature (by the force of intrinsic nature, owing to one's own nature)

• द्रव्यकालक्रियाक्रमाः (dravyakālakriyākramāḥ) - substances, time, and sequences of actions

• नियतम् (niyatam) - certainly (certainly, constantly, fixedly, necessarily)

• साधयन्ति (sādhayanti) - they achieve (they accomplish, they effect, they prove)

• आशु (āśu) - swiftly (swiftly, quickly, immediately)

• प्रयोगम् (prayogam) - intended purpose (application, use, purpose, intention)

• युक्तियोजिताः (yuktiyojitāḥ) - when appropriately applied (properly applied, connected with reason, furnished with means)

Words meanings and morphology

तथा (tathā) - similarly (so, thus, in that manner, similarly)

(indeclinable)

स्वभाववशतः (svabhāvavaśataḥ) - by the force of their intrinsic nature (by the force of intrinsic nature, owing to one's own nature)

(indeclinable)

ablative singular ending -tas

Compound type : tatpuruṣa (svabhāva+vaśa)

• svabhāva – one's own nature, intrinsic nature, essential quality
  noun (masculine)
  Prefix: sva
  Root: bhū (class 1)
• vaśa – will, desire, control, power, subjugation
  noun (masculine)

Note: Adverbial ablative in -tas.

द्रव्यकालक्रियाक्रमाः (dravyakālakriyākramāḥ) - substances, time, and sequences of actions

(noun)

Nominative, masculine, plural of dravyakālakriyākrama

dravyakālakriyākrama - substances, time, and sequences of actions (as a collective noun)

Compound type : dvandva (dravya+kāla+kriyā+krama)

• dravya – substance, object, thing, material
  noun (neuter)
• kāla – time, period, season
  noun (masculine)
• kriyā – action, activity, rite, performance
  noun (feminine)
  Root: kṛ (class 8)
• krama – order, sequence, method, step
  noun (masculine)
  Root: kram (class 1)

Note: Dvandva compound acting as a collective subject.

नियतम् (niyatam) - certainly (certainly, constantly, fixedly, necessarily)

(indeclinable)

Past Passive Participle

From root yam (to control) with prefix ni. Often used adverbially in neuter singular accusative.

Prefix: ni

Root: yam (class 1)

Note: Used adverbially.

साधयन्ति (sādhayanti) - they achieve (they accomplish, they effect, they prove)

(verb)

3rd person , plural, active, present (laṭ) of sādh

causative present active third person plural

Root: sādh (class 5)

Note: The root sādh can be 5th or 10th class. Sādhayati is usually 10th class or causative.

आशु (āśu) - swiftly (swiftly, quickly, immediately)

(indeclinable)

Note: Adverbial use.

प्रयोगम् (prayogam) - intended purpose (application, use, purpose, intention)

(noun)

Accusative, masculine, singular of prayoga

prayoga - application, use, experiment, purpose, intention

From root yuj with prefix pra.

Prefix: pra

Root: yuj (class 7)

Note: Direct object of `sādhayanti`.

युक्तियोजिताः (yuktiyojitāḥ) - when appropriately applied (properly applied, connected with reason, furnished with means)

(adjective)

Nominative, masculine, plural of yuktiyojita

yuktiyojita - properly applied, skillfully employed, connected with means

Past Passive Participle (of yuj)

Compound: Yukti (means/reason) + Yojita (applied/connected).

Compound type : tatpuruṣa (yukti+yojita)

• yukti – junction, application, fitness, reason, proper method, contrivance
  noun (feminine)
  From root yuj (to join).
  Root: yuj (class 7)
• yojita – joined, yoked, applied, employed, connected
  adjective (masculine)
  Past Passive Participle
  From root yuj (to join/apply) in causative form.
  Root: yuj (class 7)

Note: Adjective modifying `dravyakālakriyākramāḥ`.