योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-80, verse-46

स्पर्शनं मृदुनान्योन्यालिङ्गिका तत्र यन्त्रयोः ।
यथा संविदुदेत्युच्चैस्तथा कुण्डलिनी जवात् ॥ ४६ ॥

sparśanaṃ mṛdunānyonyāliṅgikā tatra yantrayoḥ ,
yathā saṃvidudetyuccaistathā kuṇḍalinī javāt 46

46. sparśanam mṛdunā anyonyāliṅgikā tatra yantrayoḥ
yathā saṃvid udeti uccaiḥ tathā kuṇḍalinī javāt

46. yathā yantrayoḥ mṛdunā anyonyāliṅgikā sparśanam
tatra uccaiḥ saṃvid udeti tathā kuṇḍalinī javāt

46. Just as profound consciousness (saṃvid) arises intensely there from the soft, mutually entwined contact of the two mechanisms (yantra), similarly, Kundalini (śakti) arises swiftly.

Words meanings summery:

• स्पर्शनम् (sparśanam) - contact, touch

• मृदुना (mṛdunā) - by soft (means), softly, gently

• अन्योन्यालिङ्गिका (anyonyāliṅgikā) - mutually embracing, mutually entwined

• तत्र (tatra) - there, in that

• यन्त्रयोः (yantrayoḥ) - of the two mechanisms/instruments

• यथा (yathā) - just as, as

• संविद् (saṁvid) - consciousness, understanding, knowledge

• उदेति (udeti) - arises, rises up

• उच्चैः (uccaiḥ) - intensely, strongly, loudly, high

• तथा (tathā) - similarly, so, in that manner

• कुण्डलिनी (kuṇḍalinī) - Kundalini (śakti)

• जवात् (javāt) - quickly, swiftly, with speed

Words meanings and morphology

स्पर्शनम् (sparśanam) - contact, touch

(noun)

Nominative, neuter, singular of sparśana

sparśana - touch, contact, sense of touch

action noun

Derived from root spṛś (to touch) + Lyuṭ suffix

Root: spṛś (class 6)

Note: Can also be accusative singular neuter.

मृदुना (mṛdunā) - by soft (means), softly, gently

(adjective)

Instrumental, masculine, singular of mṛdu

mṛdu - soft, gentle, tender, mild

Note: Used adverbially here. Can also be neuter instrumental singular.

अन्योन्यालिङ्गिका (anyonyāliṅgikā) - mutually embracing, mutually entwined

(adjective)

Nominative, feminine, singular of anyonyāliṅgika

anyonyāliṅgika - mutually embracing or entwining

Derived from anyonya (mutual) + āliṅgika (embracing)

Compound type : tatpuruṣa (anyonya+āliṅgika)

• anyonya – mutual, reciprocal, each other
  pronoun
• āliṅgika – embracing, entwining
  adjective
  Derived from ā + liṅg (to embrace)
  Prefix: ā
  Root: liṅg (class 1)

Note: Qualifies an implied feminine noun or the nature of the contact.

तत्र (tatra) - there, in that

(indeclinable)

यन्त्रयोः (yantrayoḥ) - of the two mechanisms/instruments

(noun)

Genitive, neuter, dual of yantra

yantra - machine, instrument, device, mechanism, mystical diagram

Derived from root yam (to restrain, control)

Root: yam (class 1)

Note: Could also be locative dual.

यथा (yathā) - just as, as

(indeclinable)

संविद् (saṁvid) - consciousness, understanding, knowledge

(noun)

Nominative, feminine, singular of saṃvid

saṁvid - consciousness, understanding, knowledge, agreement

Derived from sam + vid (to know)

Prefix: sam

Root: vid (class 6)

उदेति (udeti) - arises, rises up

(verb)

3rd person , singular, active, present (lat) of udeti

Present Active Indicative

3rd person singular, with prefix ud

Prefix: ud

Root: i (class 2)

उच्चैः (uccaiḥ) - intensely, strongly, loudly, high

(indeclinable)

तथा (tathā) - similarly, so, in that manner

(indeclinable)

कुण्डलिनी (kuṇḍalinī) - Kundalini (śakti)

(proper noun)

Nominative, feminine, singular of kuṇḍalinī

kuṇḍalinī - the coiled one, the serpent power, Kundalini (śakti)

जवात् (javāt) - quickly, swiftly, with speed

(noun)

Ablative, masculine, singular of java

java - speed, swiftness, impetus, quickness

Derived from root ju (to be quick)

Root: ju

Note: Used adverbially to mean 'swiftly' or 'with speed'.