योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-93, verse-17

काश्चिज्जनसहस्रान्ताः पतन्ति वनपर्णवत् ।
कर्मवात्या परिभ्रान्ता लुठन्ति गिरिकुक्षिषु ॥ १७ ॥

kāścijjanasahasrāntāḥ patanti vanaparṇavat ,
karmavātyā paribhrāntā luṭhanti girikukṣiṣu 17

17. kāścit jana-sahasra-antāḥ patanti vana-parṇa-vat |
karma-vātyā paribhrāntāḥ luṭhanti giri-kukṣiṣu ||

17. kāścit jana-sahasra-antāḥ vana-parṇa-vat patanti
karma-vātyā paribhrāntāḥ giri-kukṣiṣu luṭhanti

17. Some beings, whose journey spans thousands of existences, fall like leaves in a forest. Whirled about by the tempest of (karma) actions, they roll within the hollows of mountains.

Words meanings summery:

• काश्चित् (kāścit) - some, certain

• जन-सहस्र-अन्ताः (jana-sahasra-antāḥ) - whose end is thousands of beings, whose existence spans thousands of generations

• पतन्ति (patanti) - they fall

• वन-पर्ण-वत् (vana-parṇa-vat) - like forest leaves

• कर्म-वात्या (karma-vātyā) - by the whirlwind of actions

• परिभ्रान्ताः (paribhrāntāḥ) - having wandered around, bewildered, tossed about

• लुठन्ति (luṭhanti) - they roll, tumble

• गिरि-कुक्षिषु (giri-kukṣiṣu) - in the hollows of mountains, in mountain ravines

Words meanings and morphology

काश्चित् (kāścit) - some, certain

(pronoun)

Nominative, feminine, plural of ka

ka - who, what, which

जन-सहस्र-अन्ताः (jana-sahasra-antāḥ) - whose end is thousands of beings, whose existence spans thousands of generations

(adjective)

Nominative, feminine, plural of jana-sahasra-anta

jana-sahasra-anta - ending with thousands of beings/births; whose end is thousands of people/births

Compound type : Bahuvrīhi (jana+sahasra+anta)

• jana – person, creature, being
  noun (masculine)
• sahasra – thousand
  numeral (neuter)
• anta – end, limit, boundary
  noun (masculine)

पतन्ति (patanti) - they fall

(verb)

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

Root: pat (class 1)

वन-पर्ण-वत् (vana-parṇa-vat) - like forest leaves

(indeclinable)

Compound type : Tatpuruṣa (vana+parṇa+vat)

• vana – forest, wood
  noun (neuter)
• parṇa – leaf
  noun (neuter)
• vat – like, as if
  indeclinable

कर्म-वात्या (karma-vātyā) - by the whirlwind of actions

(noun)

Instrumental, feminine, singular of karma-vātyā

karma-vātyā - whirlwind of actions

Compound type : ṣaṣṭhī Tatpuruṣa (karma+vātyā)

• karma – action, deed (karma)
  noun (neuter)
• vātyā – whirlwind, tempest
  noun (feminine)

परिभ्रान्ताः (paribhrāntāḥ) - having wandered around, bewildered, tossed about

(adjective)

Nominative, feminine, plural of paribhrānta

paribhrānta - wandered about, bewildered, tossed around

Past Passive Participle

derived from root bhram (to wander) with prefix pari

Prefix: pari

Root: bhram (class 1)

लुठन्ति (luṭhanti) - they roll, tumble

(verb)

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

Root: luṭh (class 1)

गिरि-कुक्षिषु (giri-kukṣiṣu) - in the hollows of mountains, in mountain ravines

(noun)

Locative, feminine, plural of giri-kukṣi

giri-kukṣi - mountain hollow/side

Compound type : ṣaṣṭhī Tatpuruṣa (giri+kukṣi)

• giri – mountain, hill
  noun (masculine)
• kukṣi – belly, cavity, hollow, side
  noun (feminine)