योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-72, verse-12

संनिवेशांशवैचित्र्यमज्ञानामेव तुष्टये ।
तज्ज्ञानां तु यथाभूतभूतपञ्चकदर्शनम् ॥ १२ ॥

saṃniveśāṃśavaicitryamajñānāmeva tuṣṭaye ,
tajjñānāṃ tu yathābhūtabhūtapañcakadarśanam 12

12. saṃniveśāṃśavaicitryam ajñānām eva tuṣṭaye
tajjñānām tu yathābhūtabhūtapancakadarśanam

12. The intricate variety of composite parts brings delight only to the ignorant. But for those who truly know, it is the perception of the five fundamental elements (bhūtas) as they actually exist.

Words meanings summery:

• संनिवेशांशवैचित्र्यम् (saṁniveśāṁśavaicitryam) - the variety of component arrangements; the diversity of structural parts

• अज्ञानाम् (ajñānām) - of the ignorant; for the ignorant

• एव (eva) - only, just, indeed, certainly

• तुष्टये (tuṣṭaye) - for satisfaction, for delight, for contentment

• तज्ज्ञानाम् (tajjñānām) - of those who know that; for those who know the truth

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

• यथाभूतभूतपन्चकदर्शनम् (yathābhūtabhūtapancakadarśanam) - the vision of the five elements (bhūtas) as they truly are

Words meanings and morphology

संनिवेशांशवैचित्र्यम् (saṁniveśāṁśavaicitryam) - the variety of component arrangements; the diversity of structural parts

(noun)

neuter, singular of saṃniveśāṃśavaicitrya

saṁniveśāṁśavaicitrya - the variety of arrangements of parts

Compound type : tatpurusha (saṃniveśa+aṃśa+vaicitrya)

• saṃniveśa – arrangement, placement, structure, disposition
  noun (masculine)
  Derived from root 'viś' with prefixes 'sam' and 'ni'.
  Prefixes: sam+ni
  Root: viś (class 6)
• aṃśa – part, portion, component, share
  noun (masculine)
  Root: aṃś
• vaicitrya – variety, diversity, manifoldness, strangeness
  noun (neuter)
  Derived from 'vicitra' (varied, strange) with the 'ṣyaṉ' (abstract noun) suffix.

Note: In this context, likely nominative singular.

अज्ञानाम् (ajñānām) - of the ignorant; for the ignorant

(noun)

Genitive, masculine, plural of ajñāna

ajñāna - ignorant, foolish; ignorance (ajñāna), nescience

'a' (negation) + 'jñāna' (knowledge).

Compound type : nañ-tatpurusha (a+jñāna)

• a – not, non-, un-
  indeclinable
  Negating particle.
• jñāna – knowledge, wisdom, consciousness
  noun (neuter)
  From root 'jñā'.
  Root: jñā (class 9)

Note: Implies 'of the ignorant people'.

एव (eva) - only, just, indeed, certainly

(indeclinable)

Emphatic particle.

तुष्टये (tuṣṭaye) - for satisfaction, for delight, for contentment

(noun)

Dative, feminine, singular of tuṣṭi

tuṣṭi - satisfaction, contentment, delight, gratification

From root 'tuṣ'.

Root: tuṣ (class 4)

तज्ज्ञानाम् (tajjñānām) - of those who know that; for those who know the truth

(noun)

Genitive, masculine, plural of tajjñāna

tajjñāna - knowing that, knowing the truth

'tat' (that/truth) + 'jñāna' (knowledge).

Compound type : tatpurusha (tat+jñāna)

• tat – that, that truth, supreme reality
  pronoun/noun (neuter)
  Demonstrative pronoun, often used to refer to the ultimate reality in philosophical contexts.
• jñāna – knowledge, wisdom, consciousness
  noun (neuter)
  From root 'jñā'.
  Root: jñā (class 9)

Note: Implies 'of the knowing people'.

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

(indeclinable)

Particle expressing contrast or emphasis.

यथाभूतभूतपन्चकदर्शनम् (yathābhūtabhūtapancakadarśanam) - the vision of the five elements (bhūtas) as they truly are

(noun)

neuter, singular of yathābhūtabhūtapancakadarśana

yathābhūtabhūtapancakadarśana - the perception of the five elements as they truly are

Compound describing a specific type of perception.

Compound type : tatpurusha (yathābhūta+bhūtapancaka+darśana)

• yathābhūta – as it has been, as it truly is, real, actual
  adjective/indeclinable (masculine/feminine/neuter)
  Past Passive Participle
  'yathā' (as) + 'bhūta' (become/existed/is).
  Root: bhū (class 1)
• bhūtapancaka – the group of five elements (bhūtas)
  noun (neuter)
  'bhūta' (element) + 'pañcaka' (group of five).
• darśana – seeing, perception, vision, philosophical view
  noun (neuter)
  From root 'dṛś'.
  Root: dṛś (class 1)

Note: In this context, likely nominative singular.