योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-178, verse-9

श्रीवसिष्ठ उवाच ।
विकासमथ संकोचमत्र नाली हृदि स्थिता ।
यदा याति तदा प्राणश्छेदैरायाति याति च ॥ ९ ॥

śrīvasiṣṭha uvāca ,
vikāsamatha saṃkocamatra nālī hṛdi sthitā ,
yadā yāti tadā prāṇaśchedairāyāti yāti ca 9

9. śrīvasiṣṭhaḥ uvāca vikāsam atha saṃkocam atra nāḍī hṛdi
sthitā yadā yāti tadā prāṇaḥ chedaiḥ āyāti yāti ca

9. śrīvasiṣṭhaḥ uvāca.
atra hṛdi sthitā nāḍī yadā vikāsam atha saṃkocam yāti,
tadā prāṇaḥ chedaiḥ āyāti ca yāti.

9. Śrī Vasiṣṭha said: When the subtle channel (nāḍī) situated in the heart undergoes expansion and then contraction, then the vital air (prāṇa) moves in and out with interruptions (or in segments).

Words meanings summery:

• श्रीवसिष्ठः (śrīvasiṣṭhaḥ) - The sage Vasiṣṭha, speaker of the Yogavasiṣṭha. (Śrī Vasiṣṭha)

• उवाच (uvāca) - said, spoke

• विकासम् (vikāsam) - expansion, development, manifestation

• अथ (atha) - then, and, moreover, now

• संकोचम् (saṁkocam) - contraction, shrinking, folding

• अत्र (atra) - here, in this place, in this regard

• नाडी (nāḍī) - subtle channel, nerve, artery, vein

• हृदि (hṛdi) - in the heart, in the mind

• स्थिता (sthitā) - situated, located, standing

• यदा (yadā) - when, at which time

• याति (yāti) - goes, moves, experiences, attains

• तदा (tadā) - then, at that time

• प्राणः (prāṇaḥ) - The vital breath, one of the five prāṇas (prāṇa) (breath, vital air, life-force)

• छेदैः (chedaiḥ) - by divisions, by cuts, by breaks, by segments

• आयाति (āyāti) - comes, returns

• याति (yāti) - goes, moves

• च (ca) - and, also

Words meanings and morphology

श्रीवसिष्ठः (śrīvasiṣṭhaḥ) - The sage Vasiṣṭha, speaker of the Yogavasiṣṭha. (Śrī Vasiṣṭha)

(proper noun)

Nominative, masculine, singular of śrīvasiṣṭha

śrīvasiṣṭha - Sage Vasiṣṭha

Compound type : tatpurusha (śrī+vasiṣṭha)

• śrī – auspicious, venerable, prosperity
  adjective (feminine)
• vasiṣṭha – Vasiṣṭha (name of a revered Vedic sage)
  proper noun (masculine)

Note: Subject of 'uvāca'.

उवाच (uvāca) - said, spoke

(verb)

3rd person , singular, active, perfect (lit) of vac

Perfect tense, 3rd person singular, active voice. Reduplicated form of the root 'vac'.

Root: vac (class 2)

विकासम् (vikāsam) - expansion, development, manifestation

(noun)

Accusative, masculine, singular of vikāsa

vikāsa - expansion, development, manifestation, opening

From vi- + kās (to shine, open)

Prefix: vi

Root: kās (class 1)

Note: Object of 'yāti' (takes the meaning of 'experiences').

अथ (atha) - then, and, moreover, now

(indeclinable)

संकोचम् (saṁkocam) - contraction, shrinking, folding

(noun)

Accusative, masculine, singular of saṃkoca

saṁkoca - contraction, shrinking, folding

From sam- + kuc (to contract)

Prefix: sam

Root: kuc (class 1)

Note: Object of 'yāti' (takes the meaning of 'experiences').

अत्र (atra) - here, in this place, in this regard

(indeclinable)

Note: Refers to the context or 'in this system'.

नाडी (nāḍī) - subtle channel, nerve, artery, vein

(noun)

Nominative, feminine, singular of nāḍī

nāḍī - subtle channel, nerve, artery, vein, pulse

Root: naḍ (class 1)

Note: Subject of 'yāti'.

हृदि (hṛdi) - in the heart, in the mind

(noun)

Locative, neuter, singular of hṛd

hṛd - heart, mind, essence

Locative singular of 'hṛd' (heart)

Note: Location where the nāḍī is situated.

स्थिता (sthitā) - situated, located, standing

(adjective)

Nominative, feminine, singular of sthita

sthita - situated, located, standing, abiding

Past Passive Participle

From root sthā (to stand)

Root: sthā (class 1)

Note: Past passive participle acting as an adjective.

यदा (yadā) - when, at which time

(indeclinable)

Note: Introduces a temporal clause.

याति (yāti) - goes, moves, experiences, attains

(verb)

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

Present tense, 3rd person singular, active voice.

Root: yā (class 2)

तदा (tadā) - then, at that time

(indeclinable)

Note: Indicates the consequence of the 'yadā' clause.

प्राणः (prāṇaḥ) - The vital breath, one of the five prāṇas (prāṇa) (breath, vital air, life-force)

(noun)

Nominative, masculine, singular of prāṇa

prāṇa - breath, vital air, life-force, spirit

From pra- + an (to breathe)

Prefix: pra

Root: an (class 2)

Note: Subject of 'āyāti' and 'yāti'.

छेदैः (chedaiḥ) - by divisions, by cuts, by breaks, by segments

(noun)

Instrumental, masculine, plural of cheda

cheda - cutting, breaking, division, interruption

From chid (to cut)

Root: chid (class 7)

Note: Indicates the manner of movement.

आयाति (āyāti) - comes, returns

(verb)

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

Present tense, 3rd person singular, active voice. Root 'yā' with prefix 'ā'.

Prefix: ā

Root: yā (class 2)

याति (yāti) - goes, moves

(verb)

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

Present tense, 3rd person singular, active voice.

Root: yā (class 2)

Note: Paired with 'āyāti' and 'ca'.

च (ca) - and, also

(indeclinable)

Note: Connects 'āyāti' and 'yāti'.