योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-19, verse-41

अज्ञानविस्तीर्णमरौ विलोलं शुभाशुभस्यन्दमयैस्तरङ्गैः ।
सवासनानाममरीचिवारि परिस्फुरत्येतदनन्तरूपम् ॥ ४१ ॥

ajñānavistīrṇamarau vilolaṃ śubhāśubhasyandamayaistaraṅgaiḥ ,
savāsanānāmamarīcivāri parisphuratyetadanantarūpam 41

41. ajñānavistīrṇamarau vilolam śubhāśubhasyandamayaiḥ taraṅgaiḥ
savāsanānām amarīcivāri parisphurati etat anantarūpam

41. etat anantarūpam amarīcivāri śubhāśubhasyandamayaiḥ taraṅgaiḥ
vilolam savāsanānām ajñānavistīrṇamarau parisphurati

41. This mirage-water, agitated by waves consisting of the flow of good and bad actions and their results, manifests in infinite forms within the vast desert of ignorance for those with latent impressions (saṃskāras).

Words meanings summery:

• अज्ञानविस्तीर्णमरौ (ajñānavistīrṇamarau) - in the desert expanded by ignorance, in the vast desert of ignorance

• विलोलम् (vilolam) - wavering, unsteady, agitated, tremulous

• शुभाशुभस्यन्दमयैः (śubhāśubhasyandamayaiḥ) - consisting of streams of good and bad actions and their results (consisting of streams of good and bad, made of flow of auspicious and inauspicious)

• तरङ्गैः (taraṅgaiḥ) - by waves, with waves

• सवासनानाम् (savāsanānām) - of those with latent impressions, of those possessing vāsanās

• अमरीचिवारि (amarīcivāri) - mirage-water

• परिस्फुरति (parisphurati) - manifests, shines forth, throbs, vibrates

• एतत् (etat) - this, this one

• अनन्तरूपम् (anantarūpam) - of infinite forms, having endless forms

Words meanings and morphology

अज्ञानविस्तीर्णमरौ (ajñānavistīrṇamarau) - in the desert expanded by ignorance, in the vast desert of ignorance

(noun)

Locative, masculine, singular of ajñānavistīrṇamaru

ajñānavistīrṇamaru - desert expanded by ignorance

Compound type : tatpuruṣa (ajñāna+vistīrṇa+maru)

• ajñāna – ignorance, nescience
  noun (neuter)
  Prefix: a
  Root: jñā (class 9)
• vistīrṇa – expanded, vast, wide
  adjective (neuter)
  Past Passive Participle
  From vi- + √stṝ (to spread)
  Prefix: vi
  Root: stṝ (class 9)
• maru – desert, sandy region
  noun (masculine)

विलोलम् (vilolam) - wavering, unsteady, agitated, tremulous

(adjective)

Nominative, neuter, singular of vilola

vilola - wavering, unsteady, agitated

From vi- + √lul (to move to and fro)

Prefix: vi

Root: lul (class 1)

Note: Modifies amarīcivāri

शुभाशुभस्यन्दमयैः (śubhāśubhasyandamayaiḥ) - consisting of streams of good and bad actions and their results (consisting of streams of good and bad, made of flow of auspicious and inauspicious)

(adjective)

Instrumental, masculine, plural of śubhāśubhasyandamaya

śubhāśubhasyandamaya - consisting of streams of good and bad

Compound type : tatpuruṣa (śubha+aśubha+syanda+maya)

• śubha – auspicious, good, beautiful
  adjective (neuter)
• aśubha – inauspicious, bad, evil
  adjective (neuter)
  Prefix: a
• syanda – flowing, stream, current, dripping
  noun (masculine)
  From √syand (to flow)
  Root: syand (class 1)
• maya – consisting of, made of
  suffix (adjective-forming) (masculine)
  Mayat pratyaya, used to form adjectives meaning 'made of' or 'consisting of'.

Note: Qualifies taraṅgaiḥ.

तरङ्गैः (taraṅgaiḥ) - by waves, with waves

(noun)

Instrumental, masculine, plural of taraṅga

taraṅga - wave, billow

सवासनानाम् (savāsanānām) - of those with latent impressions, of those possessing vāsanās

(adjective)

Genitive, masculine, plural of savāsana

savāsana - possessed of latent impressions (vāsanās), having tendencies

Compound savyaya (sa- + vāsanā) meaning 'with vāsanā'.

Compound type : bahuvrīhi (sa+vāsanā)

• sa – with, together with
  indeclinable
• vāsanā – latent impression, mental trace, tendency (saṃskāra)
  noun (feminine)
  From √vas (to dwell, to perfume)
  Root: vas (class 1)

Note: Used substantively, referring to sentient beings.

अमरीचिवारि (amarīcivāri) - mirage-water

(noun)

Nominative, neuter, singular of amarīcivāri

amarīcivāri - mirage-water

Compound type : tatpuruṣa (amarīci+vāri)

• amarīci – mirage (in this context); ray of light
  noun (masculine)
• vāri – water
  noun (neuter)

Note: Subject of the verb parisphurati.

परिस्फुरति (parisphurati) - manifests, shines forth, throbs, vibrates

(verb)

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

From pari- + √sphur (to throb, vibrate)

Prefix: pari

Root: sphur (class 6)

एतत् (etat) - this, this one

(pronoun)

Nominative, neuter, singular of etad

etad - this, this one (neuter nominative/accusative singular)

Demonstrative pronoun.

Note: Refers to amarīcivāri.

अनन्तरूपम् (anantarūpam) - of infinite forms, having endless forms

(adjective)

Nominative, neuter, singular of anantarūpa

anantarūpa - having infinite forms, of endless forms

Compound type : bahuvrīhi (ananta+rūpa)

• ananta – endless, infinite, boundless
  adjective (masculine)
  Negation 'a' + nanta (from √nam, to bend, end).
  Prefix: a
  Root: nam (class 1)
• rūpa – form, shape, appearance
  noun (neuter)

Note: Modifies etat and amarīcivāri.