योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-25, verse-53

स्वच्छं कुम्भकमभ्यस्य न भूयः परितप्यते ।
अपाने रेचकाधारं प्राणपूरान्तरास्थितम् ॥ ५३ ॥

svacchaṃ kumbhakamabhyasya na bhūyaḥ paritapyate ,
apāne recakādhāraṃ prāṇapūrāntarāsthitam 53

53. svaccham kumbhakam abhyasya na bhūyaḥ paritapyate
apāne recakādhāram prāṇapūrāntarāsthitam

53. svaccham apāne recakādhāram prāṇapūrāntarāsthitam
kumbhakam abhyasya bhūyaḥ na paritapyate

53. By practicing pure breath retention (kumbhaka) – which has its basis in the exhalation (recaka) within the downward breath (apāna), and is situated between the vital breath (prāṇa) and inhalation (pūraka) – one is never again tormented.

Words meanings summery:

• स्वच्छम् (svaccham) - pure, clean, clear

• कुम्भकम् (kumbhakam) - breath retention

• अभ्यस्य (abhyasya) - having practiced, having studied, having repeated

• न (na) - not, no

• भूयः (bhūyaḥ) - again, furthermore, more

• परितप्यते (paritapyate) - is tormented, is grieved, suffers

• अपाने (apāne) - in the downward breath

• रेचकाधारम् (recakādhāram) - having exhalation as its support/basis

• प्राणपूरान्तरास्थितम् (prāṇapūrāntarāsthitam) - situated between vital breath (prāṇa) and inhalation (pūraka)

Words meanings and morphology

स्वच्छम् (svaccham) - pure, clean, clear

(adjective)

Accusative, neuter, singular of svaccha

svaccha - pure, clear, clean, transparent

Note: Agrees with 'kumbhakam'.

कुम्भकम् (kumbhakam) - breath retention

(noun)

Accusative, neuter, singular of kumbhaka

kumbhaka - breath retention (in Prāṇāyāma), a pot, pitcher

अभ्यस्य (abhyasya) - having practiced, having studied, having repeated

(indeclinable)

absolutive/gerund

Derived from root √as (to throw, cast) with prefix abhi- and suffix -ya (absolutive).

Prefix: abhi

Root: √as (class 4)

न (na) - not, no

(indeclinable)

भूयः (bhūyaḥ) - again, furthermore, more

(indeclinable)

परितप्यते (paritapyate) - is tormented, is grieved, suffers

(verb)

3rd person , singular, passive, present (lat) of paritap

Prefix: pari

Root: √tap (class 1)

अपाने (apāne) - in the downward breath

(noun)

Locative, masculine, singular of apāna

apāna - downward breath, one of the five vital airs

Prefix: apa

Root: √an (class 2)

रेचकाधारम् (recakādhāram) - having exhalation as its support/basis

(adjective)

Accusative, neuter, singular of recakādhāra

recakādhāra - having exhalation as its support/basis

Compound type : bahuvrīhi (recaka+ādhāra)

• recaka – exhalation, emptying
  noun (masculine)
  Derived from root √ric (to empty) with suffix -aka.
  Root: √ric (class 7)
• ādhāra – support, basis, foundation, receptacle
  noun (masculine)
  Prefix: ā

Note: Agrees with 'kumbhakam'.

प्राणपूरान्तरास्थितम् (prāṇapūrāntarāsthitam) - situated between vital breath (prāṇa) and inhalation (pūraka)

(adjective)

Accusative, neuter, singular of prāṇapūrāntarasthita

prāṇapūrāntarasthita - situated between prāṇa and pūraka

Compound type : tatpuruṣa (prāṇa+pūra+antara+sthita)

• prāṇa – vital breath, life-force
  noun (masculine)
• pūra – inhalation, filling
  noun (masculine)
  Derived from root √pṛ (to fill) with suffix -a.
  Root: √pṛ (class 9)
• antara – space between, interval, inner
  noun (neuter)
• sthita – situated, standing, abiding, stable
  adjective (masculine)
  Past Passive Participle
  Derived from root √sthā (to stand) with suffix -kta.
  Root: √sthā (class 1)

Note: Agrees with 'kumbhakam'.