योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-78, verse-27

द्वादशाङ्गुलपर्यन्ते नासाग्रे विमलाम्बरे ।
संविद्दृशि प्रशाम्यन्त्यां प्राणस्पन्दो निरुद्ध्यते ॥ २७ ॥

dvādaśāṅgulaparyante nāsāgre vimalāmbare ,
saṃviddṛśi praśāmyantyāṃ prāṇaspando niruddhyate 27

27. dvādaśāṅgulaparyante nāsāgre vimalāmbare
saṃviddṛśi praśāmyantyām prāṇaspandaḥ niruddhyate

27. nāsāgre dvādaśāṅgulaparyante vimalāmbare
praśāmyantyām saṃviddṛśi prāṇaspandaḥ niruddhyate

27. When the consciousness-vision (saṃvit-dṛśi) becomes utterly tranquil in the pure, vast space (vimalāmbara) extending twelve finger-breadths beyond the tip of the nose, then the pulsation of the vital breath is completely restrained.

Words meanings summery:

• द्वादशाङ्गुलपर्यन्ते (dvādaśāṅgulaparyante) - at the end of twelve finger-breadths, at the extent of twelve angulas

• नासाग्रे (nāsāgre) - at the tip of the nose

• विमलाम्बरे (vimalāmbare) - in the pure sky, in the clear space

• संविद्दृशि (saṁviddṛśi) - in the consciousness-vision, in the pure awareness

• प्रशाम्यन्त्याम् (praśāmyantyām) - in that which is becoming completely tranquil, when it is tranquilizing

• 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

द्वादशाङ्गुलपर्यन्ते (dvādaśāṅgulaparyante) - at the end of twelve finger-breadths, at the extent of twelve angulas

(adjective)

Locative, masculine, singular of dvādaśāṅgulaparyanta

dvādaśāṅgulaparyanta - extending to twelve finger-breadths

Compound type : tatpuruṣa (dvādaśa+aṅgula+paryanta)

• dvādaśa – twelve
  numeral
• aṅgula – finger, finger-breadth (as a measure)
  noun (neuter)
• paryanta – end, limit, extent
  noun (masculine)

Note: Modifies an implied 'space' or 'location'.

नासाग्रे (nāsāgre) - at the tip of the nose

(noun)

Locative, neuter, singular of nāsāgra

nāsāgra - tip of the nose

Compound type : tatpuruṣa (nāsā+agra)

• nāsā – nose
  noun (feminine)
• agra – tip, front, top
  noun (neuter)

विमलाम्बरे (vimalāmbare) - in the pure sky, in the clear space

(noun)

Locative, neuter, singular of vimalāmbara

vimalāmbara - pure sky, clear space

Compound type : karmadhāraya (vimala+ambara)

• vimala – pure, stainless, clear
  adjective
• ambara – sky, space, garment
  noun (neuter)

संविद्दृशि (saṁviddṛśi) - in the consciousness-vision, in the pure awareness

(noun)

Locative, feminine, singular of saṃviddṛś

saṁviddṛś - consciousness-vision, pure awareness

Compound type : tatpuruṣa (saṃvid+dṛś)

• saṃvid – consciousness, awareness, knowledge
  noun (feminine)
• dṛś – sight, vision, appearance
  noun (feminine)
  Root: dṛś

प्रशाम्यन्त्याम् (praśāmyantyām) - in that which is becoming completely tranquil, when it is tranquilizing

(adjective)

Locative, feminine, singular of praśāmyantī

praśāmyantī - becoming tranquil, calming down

present active participle

Derived from the root śam (to be calm) with the prefix pra- (completely)

Prefix: pra

Root: śam (class 4)

Note: Agrees with saṃviddṛśi in locative case.

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)