योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-214, verse-12

मदभ्रंशपुरस्पन्दैर्मुधा त्ववनिकम्पनैः ।
बालयक्षाद्यनुभवैः खकेशोण्ड्रकदर्शनैः ॥ १२ ॥

madabhraṃśapuraspandairmudhā tvavanikampanaiḥ ,
bālayakṣādyanubhavaiḥ khakeśoṇḍrakadarśanaiḥ 12

12. mṛdabhrāṃśapuraspandaiḥ mudhā tu avanikampanaiḥ
bālayakṣādi anubhavaiḥ khakeśoṇḍraka darśanaiḥ

12. mṛdabhrāṃśapuraspandaiḥ mudhā tu avanikampanaiḥ
bālayakṣādi anubhavaiḥ khakeśoṇḍraka darśanaiḥ

12. Indeed, through such experiences as illusory tremors (like those imagined before a mudslide), meaningless earth tremors, perceptions of child yakṣas and similar beings, and visions of sky-hairs and floating specks...

Words meanings summery:

• मृदभ्रांशपुरस्पन्दैः (mṛdabhrāṁśapuraspandaiḥ) - by illusory tremors like those imagined before a mudslide (by tremors preceded by mudslides, by tremors accompanied by falling earth)

• मुधा (mudhā) - illusorily, meaninglessly (uselessly, in vain, groundlessly)

• तु (tu) - indeed, moreover (but, indeed, on the other hand)

• अवनिकम्पनैः (avanikampanaiḥ) - by illusory earth tremors (by earth tremors, by shakings of the ground)

• बालयक्षादि (bālayakṣādi) - child yakṣas and similar illusory beings (child yakṣa and so on, beginning with child yakṣas)

• अनुभवैः (anubhavaiḥ) - by experiences/perceptions (of child-yakṣas and the like) (by experiences, by perceptions)

• खकेशोण्ड्रक (khakeśoṇḍraka) - illusory floating specks and hairs in the sky (sky-hair-speck, floating dust particle in the sky)

• दर्शनैः (darśanaiḥ) - by illusory visions (of sky-hairs and floating specks) (by visions, by sights, by perceptions)

Words meanings and morphology

मृदभ्रांशपुरस्पन्दैः (mṛdabhrāṁśapuraspandaiḥ) - by illusory tremors like those imagined before a mudslide (by tremors preceded by mudslides, by tremors accompanied by falling earth)

(noun)

Instrumental, masculine, plural of mṛdabhrāṃśapuraspanda

mṛdabhrāṁśapuraspanda - tremors (spanda) preceded (puras) by the falling (abhraṃśa) of earth/mud (mṛd)

Compound type : tatpurusha (mṛd+abhraṃśa+puras+spanda)

• mṛd – earth, clay, mud
  noun (feminine)
• abhraṃśa – falling, slipping down, decay
  noun (masculine)
  Derived from root bhraṃś- with prefix a-
  Prefix: a
  Root: bhraṃś (class 1)
• puras – before, in front, eastward
  indeclinable
• spanda – tremor, vibration, movement
  noun (masculine)
  Derived from root spad-
  Root: spad (class 1)

मुधा (mudhā) - illusorily, meaninglessly (uselessly, in vain, groundlessly)

(indeclinable)

तु (tu) - indeed, moreover (but, indeed, on the other hand)

(indeclinable)

अवनिकम्पनैः (avanikampanaiḥ) - by illusory earth tremors (by earth tremors, by shakings of the ground)

(noun)

Instrumental, neuter, plural of avanikampana

avanikampana - earth tremor, shaking of the ground

Compound type : tatpurusha (avani+kampana)

• avani – earth, ground
  noun (feminine)
• kampana – shaking, trembling
  noun (neuter)
  Derived from root kamp-
  Root: kamp (class 1)

बालयक्षादि (bālayakṣādi) - child yakṣas and similar illusory beings (child yakṣa and so on, beginning with child yakṣas)

(noun)

masculine, singular of bālayakṣādi

bālayakṣādi - child yakṣa and so on, beginning with child yakṣas

Compound type : tatpurusha (bāla+yakṣa+ādi)

• bāla – child, young
  noun (masculine)
• yakṣa – a class of supernatural beings, a type of demigod
  noun (masculine)
• ādi – beginning, et cetera, and so on
  indeclinable

Note: This is the first part of the compound 'bālayakṣādyanubhavaiḥ'. It functions adjectivally before 'anubhava'.

अनुभवैः (anubhavaiḥ) - by experiences/perceptions (of child-yakṣas and the like) (by experiences, by perceptions)

(noun)

Instrumental, masculine, plural of anubhava

anubhava - experience, perception, apprehension

Derived from root bhū- with prefix anu-

Prefix: anu

Root: bhū (class 1)

खकेशोण्ड्रक (khakeśoṇḍraka) - illusory floating specks and hairs in the sky (sky-hair-speck, floating dust particle in the sky)

(noun)

masculine, singular of khakeśoṇḍraka

khakeśoṇḍraka - sky-hair-speck (refers to motes or specks seen in the air, often described as 'sky-hairs' in philosophy to denote illusion)

Compound type : dvandva (kha+keśa+uṇḍraka)

• kha – sky, space, ether
  noun (neuter)
• keśa – hair
  noun (masculine)
• uṇḍraka – a speck, a floating particle (like a mote in a sunbeam)
  noun (masculine)

Note: This is the first part of the compound 'khakeśoṇḍrakadarśanaiḥ'. It functions adjectivally before 'darśana'.

दर्शनैः (darśanaiḥ) - by illusory visions (of sky-hairs and floating specks) (by visions, by sights, by perceptions)

(noun)

Instrumental, neuter, plural of darśana

darśana - vision, sight, perception, philosophy

Derived from root dṛś- (to see) with suffix -ana

Root: dṛś (class 1)