योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-1, verse-15

गम्यदेशैकनिष्ठस्य यथा पान्थस्य पादयोः ।
स्पन्दो विगतसंकल्पस्तथा स्पन्दस्व कर्मसु ॥ १५ ॥

gamyadeśaikaniṣṭhasya yathā pānthasya pādayoḥ ,
spando vigatasaṃkalpastathā spandasva karmasu 15

15. gamyadeśaikaniṣṭhasya yathā pānthasya pādayoḥ
spandaḥ vigatasaṅkalpaḥ tathā spandasva karmasu

15. yathā gamyadeśaikaniṣṭhasya pānthasya pādayoḥ
spandaḥ vigatasaṅkalpaḥ tathā karmasu spandasva

15. Just as the movement (spanda) of the feet of a traveler, who is solely dedicated to reaching their destination, is free from specific intention (saṅkalpa), so too should you act in your deeds (karma) without resolve.

Words meanings summery:

• गम्यदेशैकनिष्ठस्य (gamyadeśaikaniṣṭhasya) - of one whose sole aim is the destination, of one solely devoted to the place to be reached

• यथा (yathā) - as, just as

• पान्थस्य (pānthasya) - of a traveler, of a wayfarer

• पादयोः (pādayoḥ) - of the two feet, in the two feet

• स्पन्दः (spandaḥ) - movement, vibration, pulsation, throbbing

• विगतसङ्कल्पः (vigatasaṅkalpaḥ) - free from intention, devoid of resolve, without volition

• तथा (tathā) - so, in that manner, likewise

• स्पन्दस्व (spandasva) - move, act, pulsate, stir

• कर्मसु (karmasu) - in actions, in deeds, in works

Words meanings and morphology

गम्यदेशैकनिष्ठस्य (gamyadeśaikaniṣṭhasya) - of one whose sole aim is the destination, of one solely devoted to the place to be reached

(adjective)

Genitive, masculine, singular of gamyadeśaikaniṣṭha

gamyadeśaikaniṣṭha - solely devoted to the one destination to be reached

Compound type : bahuvrihi (gamya+deśa+eka+niṣṭha)

• gamya – to be gone, to be reached, accessible, destination
  adjective
  Gerundive (Future Passive Participle)
  Derived from root `gam` + suffix `yat`.
  Root: gam (class 1)
• deśa – place, region, country
  noun (masculine)
• eka – one, sole, single, only
  adjective
• niṣṭha – standing in, devoted to, intent on, established in
  adjective
  Derived from prefix `ni` + root `sthā`.
  Prefix: ni
  Root: sthā (class 1)

यथा (yathā) - as, just as

(indeclinable)

पान्थस्य (pānthasya) - of a traveler, of a wayfarer

(noun)

Genitive, masculine, singular of pāntha

pāntha - traveler, wayfarer

Derived from `pathin` (path) + suffix.

पादयोः (pādayoḥ) - of the two feet, in the two feet

(noun)

masculine, dual of pāda

pāda - foot, leg, quarter, ray, verse-foot

स्पन्दः (spandaḥ) - movement, vibration, pulsation, throbbing

(noun)

Nominative, masculine, singular of spanda

spanda - movement, vibration, pulsation, throbbing, activity

Derived from root `spand`.

Root: spand (class 1)

विगतसङ्कल्पः (vigatasaṅkalpaḥ) - free from intention, devoid of resolve, without volition

(adjective)

Nominative, masculine, singular of vigatasaṅkalpa

vigatasaṅkalpa - one from whom resolve has departed, without intention

Compound type : bahuvrihi (vigata+saṅkalpa)

• vigata – gone, departed, ceased, passed away
  adjective
  Past Passive Participle
  Derived from prefix `vi` + root `gam` + suffix `kta`.
  Prefix: vi
  Root: gam (class 1)
• saṅkalpa – intention, resolve, volition, mental formation, determination
  noun (masculine)
  Derived from prefix `sam` + root `kḷp`.
  Prefix: sam
  Root: kḷp (class 1)

तथा (tathā) - so, in that manner, likewise

(indeclinable)

स्पन्दस्व (spandasva) - move, act, pulsate, stir

(verb)

2nd person , singular, middle, imperative (loṭ) of spand

Root: spand (class 1)

कर्मसु (karmasu) - in actions, in deeds, in works

(noun)

Locative, neuter, plural of karman

karman - action, deed, work, ritual, fate, consequence of action

Derived from root `kṛ`.

Root: kṛ (class 8)