योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-91, verse-15

यदा प्रस्पन्दते प्राणो नाडीसंस्पर्शनोद्यतः ।
तदा संवेदनमयं चित्तमाशु प्रजायते ॥ १५ ॥

yadā praspandate prāṇo nāḍīsaṃsparśanodyataḥ ,
tadā saṃvedanamayaṃ cittamāśu prajāyate 15

15. yadā praspandate prāṇaḥ nāḍīsaṃsparśanodyataḥ
tadā saṃvedanamayam cittam āśu prajāyate

15. yadā nāḍīsaṃsparśanodyataḥ prāṇaḥ praspandate
tadā saṃvedanamayam cittam āśu prajāyate

15. When the vital breath (prāṇa), poised to activate contact within the subtle channels (nāḍī), pulsates, then consciousness (citta), which is characterized by sensation and perception, quickly arises.

Words meanings summery:

• यदा (yadā) - when, at what time

• प्रस्पन्दते (praspandate) - pulsates, vibrates, quivers

• प्राणः (prāṇaḥ) - vital breath, life force (prāṇa)

• नाडीसंस्पर्शनोद्यतः (nāḍīsaṁsparśanodyataḥ) - eager/ready for the contact with the nāḍī (channels), poised to activate contact within the nāḍī

• तदा (tadā) - then, at that time

• संवेदनमयम् (saṁvedanamayam) - consisting of sensation/perception, full of sensation

• चित्तम् (cittam) - consciousness, mind (citta)

• आशु (āśu) - quickly, swiftly, immediately

• प्रजायते (prajāyate) - arises, is born, appears, comes into being

Words meanings and morphology

यदा (yadā) - when, at what time

(indeclinable)

प्रस्पन्दते (praspandate) - pulsates, vibrates, quivers

(verb)

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

Prefix: pra

Root: spand (class 1)

प्राणः (prāṇaḥ) - vital breath, life force (prāṇa)

(noun)

Nominative, masculine, singular of prāṇa

prāṇa - vital breath, life force, respiration (prāṇa)

नाडीसंस्पर्शनोद्यतः (nāḍīsaṁsparśanodyataḥ) - eager/ready for the contact with the nāḍī (channels), poised to activate contact within the nāḍī

(adjective)

Nominative, masculine, singular of nāḍīsaṃsparśanodyata

nāḍīsaṁsparśanodyata - eager for contact with nāḍī, prepared for the touching of channels

Compound type : bahuvrīhi (nāḍī+saṃsparśana+udyata)

• nāḍī – channel, tube, nerve, subtle energy channel (nāḍī)
  noun (feminine)
• saṃsparśana – contact, touching, feeling
  noun (neuter)
  Action noun from root spṛś with prefix sam
  Prefix: sam
  Root: spṛś (class 6)
• udyata – ready, prepared, engaged in, active, striving
  adjective
  Past Passive Participle
  Past passive participle of root yam with prefix ud
  Prefix: ud
  Root: yam (class 1)

तदा (tadā) - then, at that time

(indeclinable)

संवेदनमयम् (saṁvedanamayam) - consisting of sensation/perception, full of sensation

(adjective)

Nominative, neuter, singular of saṃvedanamaya

saṁvedanamaya - consisting of sensation/perception, characterized by consciousness

Derived from saṃvedana with suffix -maya

Compound type : tatpuruṣa (saṃvedana)

• saṃvedana – sensation, perception, consciousness, feeling
  noun (neuter)
  Action noun from root vid with prefix sam
  Prefix: sam
  Root: vid (class 2)

चित्तम् (cittam) - consciousness, mind (citta)

(noun)

Nominative, neuter, singular of citta

citta - mind, consciousness, thought, intellect

आशु (āśu) - quickly, swiftly, immediately

(indeclinable)

प्रजायते (prajāyate) - arises, is born, appears, comes into being

(verb)

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

Prefix: pra

Root: jan (class 4)