योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-54, verse-18

अस्मिन्नवसरे प्राणाश्चेतनामृतमध्यगाः ।
व्योम्नि शीतलतामीयुर्हिमसंस्पर्शसुन्दरीम् ॥ १८ ॥

asminnavasare prāṇāścetanāmṛtamadhyagāḥ ,
vyomni śītalatāmīyurhimasaṃsparśasundarīm 18

18. asmin avasare prāṇāḥ cetanāmṛtamadhyagāḥ
vyomni śītalatām īyuḥ himasaṃsparśasundarīm

18. asmin avasare cetanāmṛtamadhyagāḥ prāṇāḥ
vyomni himasaṃsparśasundarīm śītalatām īyuḥ

18. At this stage, the vital breaths (prāṇa), having permeated the nectar of consciousness, attained a coolness in the subtle space (vyoman) that was as beautiful as the touch of snow.

Words meanings summery:

• अस्मिन् (asmin) - in this (stage) (in this)

• अवसरे (avasare) - at this stage (in the occasion, at the stage, at the time)

• प्राणाः (prāṇāḥ) - the vital breaths (prāṇa) (the vital airs, the breaths, the life forces)

• चेतनामृतमध्यगाः (cetanāmṛtamadhyagāḥ) - having permeated the nectar of consciousness (having entered the midst of the nectar of consciousness)

• व्योम्नि (vyomni) - in the subtle space (vyoman) (in the sky, in the atmosphere, in space, in the ether)

• शीतलताम् (śītalatām) - coolness (coolness, coldness)

• ईयुः (īyuḥ) - they attained (they went, they attained, they reached)

• हिमसंस्पर्शसुन्दरीम् (himasaṁsparśasundarīm) - as beautiful as the touch of snow (beautiful by the touch of snow)

Words meanings and morphology

अस्मिन् (asmin) - in this (stage) (in this)

(pronoun)

Locative, masculine, singular of idam

idam - this, this one

Note: Agrees with avasare.

अवसरे (avasare) - at this stage (in the occasion, at the stage, at the time)

(noun)

Locative, masculine, singular of avasara

avasara - occasion, opportunity, stage, time

Prefix: ava

Root: sṛ (class 1)

प्राणाः (prāṇāḥ) - the vital breaths (prāṇa) (the vital airs, the breaths, the life forces)

(noun)

Nominative, masculine, plural of prāṇa

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

Prefix: pra

Root: an (class 2)

Note: Subject of īyuḥ.

चेतनामृतमध्यगाः (cetanāmṛtamadhyagāḥ) - having permeated the nectar of consciousness (having entered the midst of the nectar of consciousness)

(adjective)

Nominative, masculine, plural of cetanāmṛtamadhyaga

cetanāmṛtamadhyaga - one who has entered the midst of the nectar of consciousness

Compound of cetanā-amṛta (nectar of consciousness) + madhyaga (one who is in the midst of, one who has entered).

Compound type : tatpuruṣa (cetanā+amṛta+madhya+ga)

• cetanā – consciousness, intelligence, sentient mind
  noun (feminine)
  Root: cit (class 1)
• amṛta – nectar, immortality, imperishable
  noun (neuter)
  Prefix: a
  Root: mṛ (class 1)
• madhya – middle, midst, center
  noun (neuter)
• ga – going, moving, being in, reaching
  adjective (masculine)
  Derived from root gam (to go)
  Root: gam (class 1)

Note: Agrees with prāṇāḥ.

व्योम्नि (vyomni) - in the subtle space (vyoman) (in the sky, in the atmosphere, in space, in the ether)

(noun)

Locative, neuter, singular of vyoman

vyoman - sky, heaven, atmosphere, space, ether

Root: yu (class 2)

शीतलताम् (śītalatām) - coolness (coolness, coldness)

(noun)

Accusative, feminine, singular of śītalatā

śītalatā - coolness, coldness, frigidity

Derived from śītala (cool) + suffix -tā (feminine noun forming suffix for abstract quality)

Note: Object of īyuḥ.

ईयुः (īyuḥ) - they attained (they went, they attained, they reached)

(verb)

3rd person , plural, active, perfect (lit) of i

Root: i (class 2)

Note: From root i (to go). Perfect tense, 3rd person plural.

हिमसंस्पर्शसुन्दरीम् (himasaṁsparśasundarīm) - as beautiful as the touch of snow (beautiful by the touch of snow)

(adjective)

Accusative, feminine, singular of himasaṃsparśasundarī

himasaṁsparśasundarī - beautiful due to the touch of snow

Compound of hima (snow) + saṃsparśa (touch) + sundarī (beautiful). It qualifies śītalatā (coolness).

Compound type : tatpuruṣa (hima+saṃsparśa+sundarī)

• hima – snow, ice, cold
  noun (masculine)
• saṃsparśa – touch, contact
  noun (masculine)
  action noun
  Derived from root spṛś 'to touch' with saṃ- prefix.
  Prefix: sam
  Root: spṛś (class 6)
• sundarī – beautiful, lovely (feminine)
  adjective (feminine)
  Feminine form of sundara.

Note: Agrees with śītalatām.