योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-78, verse-28

अभ्यासादूर्ध्वरन्ध्रेण तालूर्ध्वं द्वादशान्तगे ।
प्राणे गलितसंवृत्ते प्राणस्पन्दो निरुद्ध्यते ॥ २८ ॥

abhyāsādūrdhvarandhreṇa tālūrdhvaṃ dvādaśāntage ,
prāṇe galitasaṃvṛtte prāṇaspando niruddhyate 28

28. abhyāsāt ūrdhvarandhreṇa tālu ūrdhvaṃ dvādaśāntage
prāṇe galitasaṃvṛtte prāṇaspandaḥ niruddhyate

28. abhyāsāt tālu ūrdhvaṃ ūrdhvarandhreṇa dvādaśāntage
galitasaṃvṛtte prāṇe prāṇaspandaḥ niruddhyate

28. Through consistent practice, when the vital breath, with its coverings dissolved, ascends through the upper opening above the palate and reaches the subtle space twelve finger-breadths beyond (the dvādaśānta), its pulsation is completely restrained.

Words meanings summery:

• अभ्यासात् (abhyāsāt) - from practice, through practice

• ऊर्ध्वरन्ध्रेण (ūrdhvarandhreṇa) - through the upper opening, by means of the higher aperture

• तालु (tālu) - palate

• ऊर्ध्वं (ūrdhvaṁ) - upwards, above

• द्वादशान्तगे (dvādaśāntage) - going to the dvādaśānta (the space twelve finger-breadths beyond)

• प्राणे (prāṇe) - in the vital breath, when the vital breath

• गलितसंवृत्ते (galitasaṁvṛtte) - with its covering dissolved, whose enclosure has dissolved

• प्राणस्पन्दः (prāṇaspandaḥ) - the pulsation of the vital breath, the vibration of life-force

• निरुद्ध्यते (niruddhyate) - is restrained, is stopped, is obstructed

Words meanings and morphology

अभ्यासात् (abhyāsāt) - from practice, through practice

(noun)

Ablative, masculine, singular of abhyāsa

abhyāsa - practice, repetition, study

Prefixes: abhi+ā

Root: as (class 4)

ऊर्ध्वरन्ध्रेण (ūrdhvarandhreṇa) - through the upper opening, by means of the higher aperture

(noun)

Instrumental, neuter, singular of ūrdhvarandhra

ūrdhvarandhra - upper opening/orifice

Compound type : karmadhāraya (ūrdhva+randhra)

• ūrdhva – upper, higher, elevated
  adjective
• randhra – opening, orifice, hole
  noun (neuter)

तालु (tālu) - palate

(noun)

neuter, singular of tālu

tālu - palate

Note: Used here as a stem or adverbial noun in connection with 'ūrdhvam'.

ऊर्ध्वं (ūrdhvaṁ) - upwards, above

(indeclinable)

Note: Used adverbially.

द्वादशान्तगे (dvādaśāntage) - going to the dvādaśānta (the space twelve finger-breadths beyond)

(adjective)

Locative, masculine, singular of dvādaśāntaga

dvādaśāntaga - going to the dvādaśānta (end of twelve angulas)

Compound type : tatpuruṣa (dvādaśānta+ga)

• dvādaśānta – the end of twelve (angulas), a subtle energetic point in yoga
  noun (masculine)
• ga – going, moving, reaching
  adjective
  From root gam (to go)
  Root: gam (class 1)

Note: Modifies prāṇe.

प्राणे (prāṇe) - in the vital breath, when the vital breath

(noun)

Locative, masculine, singular of prāṇa

prāṇa - vital breath, life-force, air

Note: Used in a locative absolute construction.

गलितसंवृत्ते (galitasaṁvṛtte) - with its covering dissolved, whose enclosure has dissolved

(adjective)

Locative, masculine, singular of galitasaṃvṛtta

galitasaṁvṛtta - dissolved-covered, whose covering has dissolved

Compound type : bahuvrīhi (galita+saṃvṛtta)

• galita – dissolved, fallen, dropped
  adjective
  past passive participle
  Past passive participle of root gal (to drop, melt, dissolve)
  Root: gal (class 1)
• saṃvṛtta – covered, enclosed, ceased
  adjective
  past passive participle
  Past passive participle of root vṛ (to cover, enclose) with prefix saṃ-
  Prefix: saṃ
  Root: vṛ (class 5)

Note: Agrees with prāṇe in locative case, part of a locative absolute construction.

प्राणस्पन्दः (prāṇaspandaḥ) - the pulsation of the vital breath, the vibration of life-force

(noun)

Nominative, masculine, singular of prāṇaspanda

prāṇaspanda - pulsation of vital breath, vibration of life-force

Compound type : tatpuruṣa (prāṇa+spanda)

• prāṇa – vital breath, life-force, air
  noun (masculine)
• spanda – vibration, throb, movement
  noun (masculine)
  Root: spand (class 1)

निरुद्ध्यते (niruddhyate) - is restrained, is stopped, is obstructed

(verb)

3rd person , singular, passive, present indicative (laṭ) of rudh

Root: rudh (class 7)