योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-81, verse-46

सर्वावयविसारत्वात्सहस्रकरलोचनः ।
परमाणुरसावेव नित्यानवयवोदयः ॥ ४६ ॥

sarvāvayavisāratvātsahasrakaralocanaḥ ,
paramāṇurasāveva nityānavayavodayaḥ 46

46. sarva-avayavi-sāratvāt sahasrakara-locanaḥ
parama-aṇu-rasaḥ eva nitya-anavayava-udayaḥ

46. sarva-avayavi-sāratvāt (saḥ) sahasrakara-locanaḥ (asti)
saḥ eva parama-aṇu-rasaḥ nitya-anavayava-udayaḥ (asti)

46. Because of being the essential core of all composite entities, it is described as having a thousand hands and eyes (puruṣa). That very essence of atoms eternally manifests without parts.

Words meanings summery:

• सर्व-अवयवि-सारत्वात् (sarva-avayavi-sāratvāt) - because of being the essence of all composite entities/wholes

• सहस्रकर-लोचनः (sahasrakara-locanaḥ) - referring to the supreme cosmic person (puruṣa) (one with a thousand hands and eyes)

• परम-अणु-रसः (parama-aṇu-rasaḥ) - the essence of the supreme/finest atom

• एव (eva) - indeed, only, just

• नित्य-अनवयव-उदयः (nitya-anavayava-udayaḥ) - whose appearance is eternally without parts

Words meanings and morphology

सर्व-अवयवि-सारत्वात् (sarva-avayavi-sāratvāt) - because of being the essence of all composite entities/wholes

(noun)

Ablative, neuter, singular of sarva-avayavi-sāratva

sarva-avayavi-sāratva - the state of being the essence of all composite entities

Compound type : tatpuruṣa (sarva+avayavin+sāra+tva)

• sarva – all, every, whole
  adjective (masculine)
• avayavin – a whole, composite entity (having parts)
  noun (masculine)
• sāra – essence, core, gist, best part
  noun (masculine)
• tva – state of being, -ness (suffix)
  noun (neuter)

सहस्रकर-लोचनः (sahasrakara-locanaḥ) - referring to the supreme cosmic person (puruṣa) (one with a thousand hands and eyes)

(noun)

Nominative, masculine, singular of sahasrakara-locana

sahasrakara-locana - thousand-handed, thousand-eyed (epithet of Puruṣa/Viṣṇu)

Compound type : bahuvrīhi (sahasra+kara+locana)

• sahasra – thousand
  numeral (neuter)
• kara – hand, ray, tax
  noun (masculine)
• locana – eye, seeing
  noun (neuter)
  Root: loc (class 10)

परम-अणु-रसः (parama-aṇu-rasaḥ) - the essence of the supreme/finest atom

(noun)

Nominative, masculine, singular of parama-aṇu-rasa

parama-aṇu-rasa - essence of the supreme/finest particle/atom

Compound type : tatpuruṣa (parama+aṇu+rasa)

• parama – supreme, ultimate, highest, best
  adjective (masculine)
• aṇu – atom, minute particle, subtle
  noun (masculine)
• rasa – essence, juice, taste, fluid, emotion
  noun (masculine)

एव (eva) - indeed, only, just

(indeclinable)

नित्य-अनवयव-उदयः (nitya-anavayava-udayaḥ) - whose appearance is eternally without parts

(noun)

Nominative, masculine, singular of nitya-anavayava-udaya

nitya-anavayava-udaya - eternal and partless manifestation, whose appearance is eternally without parts

Compound type : bahuvrīhi (nitya+anavayava+udaya)

• nitya – eternal, constant, perpetual
  adjective (masculine)
• anavayava – without parts, impartible, indivisible
  adjective (masculine)
  Compound of 'a' (negation) and 'avayava' (part)
  Prefix: a
• udaya – rising, appearance, growth, origin
  noun (masculine)
  Prefix: ud
  Root: i (class 2)