योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-126, verse-96

गम्यदेशैकनिष्ठस्य यथा पान्थस्य पादयोः ।
स्पन्दो विगतसंकल्पस्तथा स्पन्दः स्वकर्मसु ॥ ९६ ॥

gamyadeśaikaniṣṭhasya yathā pānthasya pādayoḥ ,
spando vigatasaṃkalpastathā spandaḥ svakarmasu 96

96. gamyadeśaikaniṣṭhasya yathā pānthasya pādayoḥ
spandaḥ vigatasaṅkalpaḥ tathā spandaḥ svakarmasu

96. yathā gamyadeśaikaniṣṭhasya pānthasya pādayoḥ spandaḥ vigatasaṅkalpaḥ (asti),
tathā svakarmasu spandaḥ (bhavet) .

96. Just as the movement of a traveler's feet, whose sole focus is fixed on the destination, occurs without (separate) resolve (saṅkalpa), similarly, activity in one's own actions (karma) should be performed.

Words meanings summery:

• गम्यदेशैकनिष्ठस्य (gamyadeśaikaniṣṭhasya) - of one whose sole attention is fixed on the destination

• यथा (yathā) - just as, as

• पान्थस्य (pānthasya) - of the traveler, of the wanderer

• पादयोः (pādayoḥ) - of the two feet

• स्पन्दः (spandaḥ) - the physical movement (movement, vibration, pulsation, activity)

• विगतसङ्कल्पः (vigatasaṅkalpaḥ) - whose resolve is gone, free from intention, devoid of volition

• तथा (tathā) - similarly, so, thus

• स्पन्दः (spandaḥ) - the performance of actions (movement, vibration, pulsation, activity)

• स्वकर्मसु (svakarmasu) - in one's own actions (karma), in one's duties

Words meanings and morphology

गम्यदेशैकनिष्ठस्य (gamyadeśaikaniṣṭhasya) - of one whose sole attention is fixed on the destination

(adjective)

Genitive, masculine, singular of gamyadeśaikaniṣṭha

gamyadeśaikaniṣṭha - one whose sole object/focus is the destination

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

• gamya – to be gone to, accessible, destination
  adjective
  Gerundive/Future Passive Participle
  From root gam (to go) + ya suffix.
  Root: gam (class 1)
• deśa – place, region, country
  noun (masculine)
• eka – one, sole, single
  numeral/adjective
• niṣṭha – fixed, standing in, devoted to, intent on
  adjective
  From root sthā (to stand) with prefix ni.
  Prefix: ni
  Root: sthā (class 1)

Note: Qualifies pānthasya.

यथा (yathā) - just as, as

(indeclinable)

पान्थस्य (pānthasya) - of the traveler, of the wanderer

(noun)

Genitive, masculine, singular of pāntha

pāntha - traveler, wanderer, wayfarer

Derived from path (path, way).

Root: path

Note: Possessive, referring to the feet.

पादयोः (pādayoḥ) - of the two feet

(noun)

Genitive, masculine, dual of pāda

pāda - foot, leg, step, quarter

Root: pad (class 4)

Note: Alternatively, locative dual. Given 'movement of the feet', genitive is more natural.

स्पन्दः (spandaḥ) - the physical movement (movement, vibration, pulsation, activity)

(noun)

Nominative, masculine, singular of spanda

spanda - movement, vibration, pulsation, throbbing, activity

From root spand (to throb, vibrate).

Root: spand (class 1)

विगतसङ्कल्पः (vigatasaṅkalpaḥ) - whose resolve is gone, free from intention, devoid of volition

(adjective)

Nominative, masculine, singular of vigatasaṅkalpa

vigatasaṅkalpa - whose intention/resolve has departed, free from will/desire

Compound type : bahuvrīhi (vigata+saṅkalpa)

• vigata – gone, departed, ceased
  adjective
  Past Passive Participle
  From root gam (to go) with prefix vi.
  Prefix: vi
  Root: gam (class 1)
• saṅkalpa – resolve, intention, will, desire
  noun (masculine)
  Prefix: sam
  Root: kḷp (class 10)

तथा (tathā) - similarly, so, thus

(indeclinable)

Correlative adverb to yathā.

स्पन्दः (spandaḥ) - the performance of actions (movement, vibration, pulsation, activity)

(noun)

Nominative, masculine, singular of spanda

spanda - movement, vibration, pulsation, throbbing, activity

From root spand (to throb, vibrate).

Root: spand (class 1)

Note: Implies 'should be' or 'is'.

स्वकर्मसु (svakarmasu) - in one's own actions (karma), in one's duties

(noun)

Locative, neuter, plural of svakarma

svakarma - one's own action (karma), one's own duty

Compound type : ṣaṣṭhī-tatpuruṣa (sva+karma)

• sva – one's own, self
  pronoun/adjective
• karma – action (karma), deed, duty
  noun (neuter)
  From root kṛ (to do).
  Root: kṛ (class 8)

Note: Denotes the sphere of action.