योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-34, verse-14

घनसौषुप्तलेखावच्छिलान्तःसन्निवेशवत् ।
सैन्धवान्तस्थरसवद्वातान्तःस्पन्दशक्तिवत् ॥ १४ ॥

ghanasauṣuptalekhāvacchilāntaḥsanniveśavat ,
saindhavāntastharasavadvātāntaḥspandaśaktivat 14

14. ghanasauṣuptalekhāvat chilaantaḥsanniveśavat
saindhavaantatharasavat vātaantaḥspandaśaktivat

14. It is like the state of profound deep sleep, like the subtle internal arrangement within a rock, like the inherent essence within rock salt, and like the pulsating energy (śakti) within the vital breath (vāta).

Words meanings summery:

• घनसौषुप्तलेखावत् (ghanasauṣuptalekhāvat) - like the state of profound deep sleep

• छिलअन्तःसन्निवेशवत् (chilaantaḥsanniveśavat) - The term 'chila' is rare; interpreted by some commentators as 'śila' (rock) or 'citi' (consciousness) to fit the philosophical context of subtle essence. (like the subtle internal arrangement within a rock)

• सैन्धवअन्तथरसवत् (saindhavaantatharasavat) - like the inherent essence within rock salt

• वातअन्तःस्पन्दशक्तिवत् (vātaantaḥspandaśaktivat) - like the pulsating energy within the vital breath

Words meanings and morphology

घनसौषुप्तलेखावत् (ghanasauṣuptalekhāvat) - like the state of profound deep sleep

(adjective)

of ghanasauṣuptalekhāvat

ghanasauṣuptalekhāvat - like a profound deep sleep state/trace

compound ending with suffix -vat

Compound type : bahuvrīhi (ghana+sauṣupta+lekhā+vat)

• ghana – dense, thick, profound, concentrated
  adjective (masculine/neuter)
• sauṣupta – relating to deep sleep (suṣupti), deep sleep state
  adjective (masculine/feminine/neuter)
  derived from suṣupti
• lekhā – line, trace, mark, state, condition
  noun (feminine)
• vat – like, similar to (suffix)
  indeclinable

छिलअन्तःसन्निवेशवत् (chilaantaḥsanniveśavat) - The term 'chila' is rare; interpreted by some commentators as 'śila' (rock) or 'citi' (consciousness) to fit the philosophical context of subtle essence. (like the subtle internal arrangement within a rock)

(adjective)

of chilaantaḥsanniveśavat

chilaantaḥsanniveśavat - like a subtle inner disposition or arrangement

compound ending with suffix -vat

Compound type : bahuvrīhi (chila+antas+sanniveśa+vat)

• chila – subtle, fine; possibly referring to a compact entity like a rock (śila) or pure consciousness (citi) in specific contexts.
  noun/adjective
• antas – within, internal, inner
  indeclinable
• sanniveśa – arrangement, disposition, subtle structure, placement
  noun (masculine)
  Prefixes: sam+ni
  Root: viś (class 6)
• vat – like, similar to (suffix)
  indeclinable

सैन्धवअन्तथरसवत् (saindhavaantatharasavat) - like the inherent essence within rock salt

(adjective)

of saindhavaantatharasavat

saindhavaantatharasavat - like the essence existing within rock salt

compound ending with suffix -vat

Compound type : bahuvrīhi (saindhava+antatha+rasa+vat)

• saindhava – rock salt, originating from Sindhu region
  noun (masculine/neuter)
• antatha – situated within, internal, existing inside
  adjective (masculine/feminine/neuter)
• rasa – essence, taste, juice, vital fluid
  noun (masculine)
• vat – like, similar to (suffix)
  indeclinable

वातअन्तःस्पन्दशक्तिवत् (vātaantaḥspandaśaktivat) - like the pulsating energy within the vital breath

(adjective)

of vātaantaḥspandaśaktivat

vātaantaḥspandaśaktivat - like the vibrating power within the vital air

compound ending with suffix -vat

Compound type : bahuvrīhi (vāta+antas+spanda+śakti+vat)

• vāta – wind, vital air, breath
  noun (masculine)
• antas – within, internal, inner
  indeclinable
• spanda – vibration, pulsation, subtle movement
  noun (masculine)
  Root: spand (class 1)
• śakti – power, energy, creative force
  noun (feminine)
  Root: śak (class 5)
• vat – like, similar to (suffix)
  indeclinable