योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-25, verse-26

वासनावेशवलिताः कुविकारशतात्मभिः ।
व्रजन्त्यधोधो धावन्तं शिलाः शैलच्युता इव ॥ २६ ॥

vāsanāveśavalitāḥ kuvikāraśatātmabhiḥ ,
vrajantyadhodho dhāvantaṃ śilāḥ śailacyutā iva 26

26. vāsanāveśavalitāḥ kuvikāraśatātmabhiḥ vrajanti
adhaḥ adhaḥ dhāvantam śilāḥ śailacyutāḥ iva

26. vāsanāveśavalitāḥ kuvikāraśatātmabhiḥ (janāḥ) adhaḥ adhaḥ vrajanti,
(yathā) dhāvantam śailacyutāḥ śilāḥ iva.

26. Individuals, imbued with hundreds of ignoble modifications arising from the powerful sway of innate tendencies (vāsanā), descend further and further, like stones dislodged from a mountain rushing downwards.

Words meanings summery:

• वासनावेशवलिताः (vāsanāveśavalitāḥ) - overcome by the influx of innate tendencies/impressions (vāsanā), imbued with the sway of vāsanā

• कुविकारशतात्मभिः (kuvikāraśatātmabhiḥ) - by those whose selves/natures are hundreds of ignoble/bad modifications, or by hundreds of selves consisting of bad modifications

• व्रजन्ति (vrajanti) - they go, they move, they descend

• अधः (adhaḥ) - down, downwards, below

• अधः (adhaḥ) - down, downwards, below

• धावन्तम् (dhāvantam) - describing the swift downward motion of the stones, or the path/direction of rushing downwards (rushing, running, flowing swiftly (towards))

• शिलाः (śilāḥ) - stones, rocks

• शैलच्युताः (śailacyutāḥ) - fallen from a mountain, dislodged from a mountain

• इव (iva) - like, as, as if

Words meanings and morphology

वासनावेशवलिताः (vāsanāveśavalitāḥ) - overcome by the influx of innate tendencies/impressions (vāsanā), imbued with the sway of vāsanā

(adjective)

Nominative, masculine, plural of vāsanāveśavalita

vāsanāveśavalita - imbued/overcome by the powerful influence (āveśa) of innate tendencies (vāsanā)

Compound type : tatpuruṣa (vāsanā+āveśa+valita)

• vāsanā – innate tendency, subconscious impression, latent impression (vāsanā)
  noun (feminine)
  from root vas ('to dwell') with suffix -anā
  Root: vas (class 1)
• āveśa – entering, influx, possession, intense application
  noun (masculine)
  from root viś with prefix ā
  Prefix: ā
  Root: viś (class 6)
• valita – surrounded, endowed with, overcome by
  participle (masculine)
  Past Passive Participle
  from root val ('to cover, to move')
  Root: val (class 1)

कुविकारशतात्मभिः (kuvikāraśatātmabhiḥ) - by those whose selves/natures are hundreds of ignoble/bad modifications, or by hundreds of selves consisting of bad modifications

(adjective)

Instrumental, masculine, plural of kuvikāraśatātman

kuvikāraśatātman - whose inner self or nature (ātman) consists of hundreds of bad (ku) modifications (vikāra)

Compound type : bahuvrīhi (ku+vikāra+śata+ātman)

• ku – bad, evil, ignoble (prefix)
  indeclinable
• vikāra – change, modification, alteration, aberration
  noun (masculine)
  from root kṛ with prefix vi
  Prefix: vi
  Root: kṛ (class 8)
• śata – hundred
  noun (neuter)
• ātman – self, soul, spirit, essential nature (ātman)
  noun (masculine)

व्रजन्ति (vrajanti) - they go, they move, they descend

(verb)

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

Root: vraj (class 1)

अधः (adhaḥ) - down, downwards, below

(indeclinable)

Note: Repetition 'adhaḥ adhaḥ' emphasizes 'lower and lower'.

अधः (adhaḥ) - down, downwards, below

(indeclinable)

धावन्तम् (dhāvantam) - describing the swift downward motion of the stones, or the path/direction of rushing downwards (rushing, running, flowing swiftly (towards))

(participle)

Accusative, masculine, singular of dhāvat

dhāvat - running, rushing, flowing, moving swiftly

Present Active Participle

from root dhāv

Root: dhāv (class 1)

Note: Its accusative singular form is unusual if directly modifying the nominative plural 'śilāḥ'. It may function adverbially to 'vrajanti', meaning 'rushing downwards', or describe an implied object of motion like 'a rushing stream'.

शिलाः (śilāḥ) - stones, rocks

(noun)

Nominative, feminine, plural of śilā

śilā - stone, rock, slab

शैलच्युताः (śailacyutāḥ) - fallen from a mountain, dislodged from a mountain

(adjective)

Nominative, feminine, plural of śailacyuta

śailacyuta - fallen from a mountain, mountain-fallen

Past Passive Participle used as adjective

Compound type : tatpuruṣa (śaila+cyuta)

• śaila – mountain, rock, rocky
  noun (masculine)
• cyuta – fallen, dropped, dislodged, departed
  participle (masculine)
  Past Passive Participle
  from root cyu
  Root: cyu (class 1)

इव (iva) - like, as, as if

(indeclinable)