योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-81, verse-48

तदा समस्तमेवेदमुत्प्लावयति देहकम् ।
नीरन्ध्रं पवनापूर्णं भस्त्रेवाम्बु ततान्तरम् ॥ ४८ ॥

tadā samastamevedamutplāvayati dehakam ,
nīrandhraṃ pavanāpūrṇaṃ bhastrevāmbu tatāntaram 48

48. tadā samastam eva idam utplāvayati dehakam
nīrandhram pavanāpūrṇam bhastrā iva ambu tatāntaram

48. tadā idam samastam nīrandhram pavanāpūrṇam
dehakam utplāvayati bhastrā iva ambu tatāntaram

48. Then, this entire [practice] makes the body buoyant, completely filled with vital breath (pavana) and airtight, just as a bellows, when its interior is expanded, moves water.

Words meanings summery:

• तदा (tadā) - then, at that time

• समस्तम् (samastam) - entire, whole, all

• एव (eva) - indeed, only, very

• इदम् (idam) - this practice (this)

• उत्प्लावयति (utplāvayati) - causes to float, makes buoyant

• देहकम् (dehakam) - the subtle body (the body)

• नीरन्ध्रम् (nīrandhram) - without gaps, airtight

• पवनापूर्णम् (pavanāpūrṇam) - filled with vital breath (pavana) (filled with air/breath)

• भस्त्रा (bhastrā) - bellows, leather bag

• इव (iva) - like, as, as if

• अम्बु (ambu) - water

• ततान्तरम् (tatāntaram) - describing the bellows' state when it acts (with expanded interior)

Words meanings and morphology

तदा (tadā) - then, at that time

(indeclinable)

समस्तम् (samastam) - entire, whole, all

(adjective)

Accusative, neuter, singular of samasta

samasta - entire, whole, all, compound

Past Passive Participle

Derived from root 'as' with prefix 'sam'

Prefix: sam

Root: as (class 2)

Note: Qualifies 'dehakam'

एव (eva) - indeed, only, very

(indeclinable)

इदम् (idam) - this practice (this)

(pronoun)

Accusative, neuter, singular of idam

idam - this, this here

Note: Refers to the yoga practice described earlier in the text.

उत्प्लावयति (utplāvayati) - causes to float, makes buoyant

(verb)

3rd person , singular, active, present (laṭ) of utplāvaya

Causative present

Causative form of root 'plu' with prefix 'ut'

Prefix: ut

Root: plu (class 1)

देहकम् (dehakam) - the subtle body (the body)

(noun)

Accusative, neuter, singular of dehaka

dehaka - body (diminutive/endearing, or implying subtle body)

Diminutive form of deha

नीरन्ध्रम् (nīrandhram) - without gaps, airtight

(adjective)

Accusative, neuter, singular of nīrandhra

nīrandhra - without gaps, airtight, compact

Compound type : bahuvrīhi (nis+randhra)

• nis – without, out, away
  indeclinable
• randhra – hole, gap, flaw
  noun (neuter)

Note: Qualifies 'dehakam'

पवनापूर्णम् (pavanāpūrṇam) - filled with vital breath (pavana) (filled with air/breath)

(adjective)

Accusative, neuter, singular of pavanāpūrṇa

pavanāpūrṇa - filled with air/wind/breath

Compound type : tatpuruṣa (pavana+āpūrṇa)

• pavana – air, wind, breath, purifier
  noun (masculine)
  From root 'pu' (to purify)
  Root: pu (class 1)
• āpūrṇa – full, filled, complete
  adjective
  Past Passive Participle
  From root 'pṛ' with prefix 'ā'
  Prefix: ā
  Root: pṛ (class 3)

Note: Qualifies 'dehakam'

भस्त्रा (bhastrā) - bellows, leather bag

(noun)

Nominative, feminine, singular of bhastrā

bhastrā - bellows, leather bag, bag

Note: Part of the simile 'like a bellows'

इव (iva) - like, as, as if

(indeclinable)

Note: Used for comparison

अम्बु (ambu) - water

(noun)

Accusative, neuter, singular of ambu

ambu - water

Note: Object of the implied action in the simile

ततान्तरम् (tatāntaram) - describing the bellows' state when it acts (with expanded interior)

(adjective)

Accusative, neuter, singular of tatāntara

tatāntara - whose interior is stretched/expanded

Compound type : bahuvrīhi (tata+antara)

• tata – stretched, extended, spread, diffused
  adjective
  Past Passive Participle
  From root 'tan' (to stretch)
  Root: tan (class 8)
• antara – interior, inside, middle, interval
  noun (neuter)

Note: Used adverbially to describe the state of the bellows in the simile.