योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-57, verse-32

लघुतूलसमापत्तिस्ततः समुपजायते ।
स्वप्ने स्वप्नपरिज्ञानादिव देहस्य योगिनः ॥ ३२ ॥

laghutūlasamāpattistataḥ samupajāyate ,
svapne svapnaparijñānādiva dehasya yoginaḥ 32

32. laghu-tūla-samāpattiḥ tataḥ samupajāyate
svapne svapna-parijñānāt iva dehasya yoginaḥ

32. tataḥ yoginaḥ dehasya laghu-tūla-samāpattiḥ
samupajāyate svapne svapna-parijñānāt iva

32. Then, an attainment (samāpatti) of lightness like cotton arises. This occurs for the body of a practitioner of yoga (yogin), just as, in a dream, the dream-body becomes light from the full knowledge (parijñāna) that it is a dream.

Words meanings summery:

• लघु-तूल-समापत्तिः (laghu-tūla-samāpattiḥ) - attainment of lightness like cotton

• ततः (tataḥ) - then (then, therefrom, from that)

• समुपजायते (samupajāyate) - arises (arises, comes into being, is born)

• स्वप्ने (svapne) - in a dream (in a dream, in sleep)

• स्वप्न-परिज्ञानात् (svapna-parijñānāt) - from the full knowledge that it is a dream (from the knowledge of a dream)

• इव (iva) - just as (like, as, as if)

• देहस्य (dehasya) - of the body

• योगिनः (yoginaḥ) - of a practitioner of yoga (yogin) (of the yogi, of the practitioner of yoga)

Words meanings and morphology

लघु-तूल-समापत्तिः (laghu-tūla-samāpattiḥ) - attainment of lightness like cotton

(noun)

Nominative, feminine, singular of laghu-tūla-samāpatti

laghu-tūla-samāpatti - attainment of lightness like cotton

Compound type : tatpurusha (laghu+tūla+samāpatti)

• laghu – light, quick, easy
  adjective (neuter)
  Root: lagh
• tūla – cotton
  noun (neuter)
• samāpatti – attainment, accomplishment, absorption
  noun (feminine)
  Derived from 'sam-ā-pad' (to obtain, fall into, attain).
  Prefixes: sam+ā
  Root: pad (class 4)

ततः (tataḥ) - then (then, therefrom, from that)

(indeclinable)

समुपजायते (samupajāyate) - arises (arises, comes into being, is born)

(verb)

3rd person , singular, middle, present (laṭ) of jan

Present tense, 3rd person singular

Prefixes: sam+upa

Root: jan (class 4)

स्वप्ने (svapne) - in a dream (in a dream, in sleep)

(noun)

Locative, masculine, singular of svapna

svapna - dream, sleep

Derived from root 'svap' (to sleep).

Root: svap (class 2)

Note: Denotes the location or state.

स्वप्न-परिज्ञानात् (svapna-parijñānāt) - from the full knowledge that it is a dream (from the knowledge of a dream)

(noun)

Ablative, neuter, singular of svapna-parijñāna

svapna-parijñāna - knowledge of a dream

Compound type : tatpurusha (svapna+parijñāna)

• svapna – dream, sleep
  noun (masculine)
  Root: svap (class 2)
• parijñāna – full knowledge, complete understanding
  noun (neuter)
  Derived from 'pari-jñā' (to know fully).
  Prefix: pari
  Root: jñā (class 9)

Note: Denotes the cause.

इव (iva) - just as (like, as, as if)

(indeclinable)

देहस्य (dehasya) - of the body

(noun)

Genitive, masculine, singular of deha

deha - body

Root: dih (class 2)

योगिनः (yoginaḥ) - of a practitioner of yoga (yogin) (of the yogi, of the practitioner of yoga)

(noun)

Genitive, masculine, singular of yogin

yogin - a practitioner of yoga (yoga), yogi

Derived from 'yoga' + suffix '-in'.

Root: yuj (class 7)

Note: Qualifies dehasya.