योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-32, verse-33

तदा पुर्यष्टकं शान्तिमुपैति गगने शनैः ।
संरोधिते वातयन्त्रे यथा पवनसंततिः ॥ ३३ ॥

tadā puryaṣṭakaṃ śāntimupaiti gagane śanaiḥ ,
saṃrodhite vātayantre yathā pavanasaṃtatiḥ 33

33. tadā puryaṣṭakam śāntim upaiti gagane śanaiḥ
saṃrodhite vātayantre yathā pavanasamtatiḥ

33. tadā puryaṣṭakam śanaiḥ gagane śāntim upaiti
yathā vātayantre saṃrodhite pavanasamtatiḥ

33. Then, the subtle body (puryaṣṭaka) gradually attains tranquility (śānti) in the ether (gagane), just as the flow of air (pavana-saṃtati) ceases when a wind-controlling mechanism (vātayantra) is obstructed.

Words meanings summery:

• तदा (tadā) - then, at that time

• पुर्यष्टकम् (puryaṣṭakam) - the subtle body, the eightfold city

• शान्तिम् (śāntim) - peace, tranquility, cessation

• उपैति (upaiti) - attains, reaches, goes to, approaches

• गगने (gagane) - in the subtle space or ether, implying a state of dissolution or inner tranquility. (in the sky, in space, in the ether)

• शनैः (śanaiḥ) - slowly, gradually

• संरोधिते (saṁrodhite) - when obstructed, when stopped, when restrained

• वातयन्त्रे (vātayantre) - in the wind-controlling mechanism or air-regulating device. (in the wind-instrument, in the air-machine)

• यथा (yathā) - just as, as, in which way

• पवनसम्ततिः (pavanasamtatiḥ) - flow of wind, current of air

Words meanings and morphology

तदा (tadā) - then, at that time

(indeclinable)

Derived from the pronominal stem 'tad' with the suffix 'dā' indicating time.

पुर्यष्टकम् (puryaṣṭakam) - the subtle body, the eightfold city

(noun)

Nominative, neuter, singular of puryaṣṭaka

puryaṣṭaka - the subtle body (consisting of the five tanmātrās, manas, buddhi, and ahaṅkāra); an octuple city; a group of eight cities

Compound type : dvigu (puri+aṣṭaka)

• puri – city, body
  noun (feminine)
• aṣṭaka – group of eight, eightfold
  noun (neuter)

शान्तिम् (śāntim) - peace, tranquility, cessation

(noun)

Accusative, feminine, singular of śānti

śānti - peace, tranquility, calmness, cessation, appeasement, quiet

Derived from the root 'śam' (to be calm) with suffix 'ti'.

Root: śam (class 4)

उपैति (upaiti) - attains, reaches, goes to, approaches

(verb)

3rd person , singular, active, present (lat) of upe

Present active 3rd singular form of the verb 'upe' (upa-i).

Prefix: upa

Root: i (class 2)

गगने (gagane) - in the subtle space or ether, implying a state of dissolution or inner tranquility. (in the sky, in space, in the ether)

(noun)

Locative, neuter, singular of gagana

gagana - sky, firmament, atmosphere, ether, empty space

From root 'gam' (to go) + suffix 'ana'.

Root: gam (class 1)

शनैः (śanaiḥ) - slowly, gradually

(indeclinable)

Instrumental plural form used adverbially.

संरोधिते (saṁrodhite) - when obstructed, when stopped, when restrained

(adjective)

Locative, neuter, singular of saṃruddhā

saṁruddhā - obstructed, stopped, restrained, blocked

Past Passive Participle

Past passive participle of root 'rudh' (to obstruct) with prefix 'sam'.

Prefix: sam

Root: rudh (class 7)

Note: Used in a locative absolute construction.

वातयन्त्रे (vātayantre) - in the wind-controlling mechanism or air-regulating device. (in the wind-instrument, in the air-machine)

(noun)

Locative, neuter, singular of vātayantra

vātayantra - wind-instrument, air-machine, ventilator

Compound type : tatpuruṣa (vāta+yantra)

• vāta – wind, air, vital air
  noun (masculine)
• yantra – instrument, machine, device, mechanism, amulet
  noun (neuter)
  Root: yam (class 1)

Note: Used in a locative absolute construction.

यथा (yathā) - just as, as, in which way

(indeclinable)

पवनसम्ततिः (pavanasamtatiḥ) - flow of wind, current of air

(noun)

Nominative, feminine, singular of pavanasamtati

pavanasamtati - flow of wind, current of air

Compound type : tatpuruṣa (pavana+saṃtati)

• pavana – wind, air, purification
  noun (masculine)
  From root 'pū' (to purify) + 'ana' suffix.
  Root: pū (class 1)
• saṃtati – continuous flow, succession, extent, lineage
  noun (feminine)
  From root 'tan' (to extend) with prefix 'sam'.
  Prefix: sam
  Root: tan (class 8)