योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-34, verse-21

अनेनैताः स्फुरन्तीह विचित्रेन्द्रियपङ्क्तयः ।
सर्वगेन निदाघेन यथा मरुमरीचिकाः ॥ २१ ॥

anenaitāḥ sphurantīha vicitrendriyapaṅktayaḥ ,
sarvagena nidāghena yathā marumarīcikāḥ 21

21. anena etāḥ sphuranti iha vicitra indriyapaṅktayaḥ
sarvageṇa nidāghena yathā marumarīcikāḥ

21. iha anena etāḥ vicitrendriyapaṅktayaḥ sarvageṇa
nidāghena yathā marumarīcikāḥ sphuranti

21. By this, these various collections of senses (indriyapaṅkti) manifest here, just as desert mirages (marumarīcikā) [appear] due to all-pervading heat (nidāgha).

Words meanings summery:

• अनेन (anena) - by this

• एताः (etāḥ) - these

• स्फुरन्ति (sphuranti) - they manifest, they flash, they throb

• इह (iha) - here, in this world

• विचित्रेन्द्रियपङ्क्तयः (vicitrendriyapaṅktayaḥ) - various collections of senses

• सर्वगेण (sarvageṇa) - by the all-pervading

• निदाघेन (nidāghena) - by intense heat, by summer

• यथा (yathā) - just as, as

• मरुमरीचिकाः (marumarīcikāḥ) - desert mirages

Words meanings and morphology

अनेन (anena) - by this

(pronoun)

Instrumental, masculine, singular of idam

idam - this, this one

एताः (etāḥ) - these

(pronoun)

Nominative, feminine, plural of etad

etad - this, this one

स्फुरन्ति (sphuranti) - they manifest, they flash, they throb

(verb)

3rd person , plural, active, present indicative (laṭ) of sphur

Root: sphur (class 6)

इह (iha) - here, in this world

(indeclinable)

विचित्रेन्द्रियपङ्क्तयः (vicitrendriyapaṅktayaḥ) - various collections of senses

(noun)

Nominative, feminine, plural of vicitrendriyapaṅkti

vicitrendriyapaṅkti - diverse collections/rows of senses

Compound type : tatpuruṣa (vicitra+indriya+paṅkti)

• vicitra – diverse, variegated, wonderful
  adjective (masculine)
• indriya – sense organ, power, faculty
  noun (neuter)
• paṅkti – row, line, series, collection
  noun (feminine)

सर्वगेण (sarvageṇa) - by the all-pervading

(adjective)

Instrumental, masculine, singular of sarvaga

sarvaga - all-pervading, omnipresent

Compound type : tatpuruṣa (sarva+ga)

• sarva – all, every, whole
  adjective (masculine)
• ga – going, moving, residing in
  noun (masculine)
  Root: gam (class 1)

निदाघेन (nidāghena) - by intense heat, by summer

(noun)

Instrumental, masculine, singular of nidāgha

nidāgha - intense heat, summer

Prefix: ni

Root: dah (class 1)

यथा (yathā) - just as, as

(indeclinable)

मरुमरीचिकाः (marumarīcikāḥ) - desert mirages

(noun)

Nominative, feminine, plural of marumarīcikā

marumarīcikā - desert mirage

Compound type : tatpuruṣa (maru+marīcikā)

• maru – desert, sandy waste
  noun (masculine)
• marīcikā – mirage, ray of light
  noun (feminine)