योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-96, verse-54

तैर्मिथ्या राघव प्रोक्ताः कर्ममानसचेतसाम् ।
स्वविकल्पार्पितैरर्थैः स्वाः स्वा वैचित्र्ययुक्तयः ॥ ५४ ॥

tairmithyā rāghava proktāḥ karmamānasacetasām ,
svavikalpārpitairarthaiḥ svāḥ svā vaicitryayuktayaḥ 54

54. taiḥ mithyā rāghava proktāḥ karmamānasacetasām
svavikalpārpitaiḥ arthaiḥ svāḥ svāḥ vaicitryayuktayaḥ

54. rāghava taiḥ svavikalpārpitaiḥ arthaiḥ karmamānasacetasām
svāḥ svāḥ vaicitryayuktayaḥ mithyā proktāḥ

54. O Rāghava, by them, their own varied reasonings (yukti), concerning actions (karma), minds, and thoughts, are falsely declared, based on meanings imposed by their own conceptualizations (vikalpa).

Words meanings summery:

• तैः (taiḥ) - by them

• मिथ्या (mithyā) - falsely, wrongly, untrue

• राघव (rāghava) - O Rāghava (Rāma) (O Rāma, descendant of Raghu)

• प्रोक्ताः (proktāḥ) - declared, stated, proclaimed

• कर्ममानसचेतसाम् (karmamānasacetasām) - of actions, minds, and thoughts

• स्वविकल्पार्पितैः (svavikalpārpitaiḥ) - by meanings derived from their own conceptualizations (by their own conceptualizations imposed/imbued)

• अर्थैः (arthaiḥ) - with meanings/interpretations (with meanings, by objects, by purposes)

• स्वाः (svāḥ) - their own (feminine plural nominative)

• स्वाः (svāḥ) - their own (feminine plural nominative)

• वैचित्र्ययुक्तयः (vaicitryayuktayaḥ) - varied reasonings, diverse arguments

Words meanings and morphology

तैः (taiḥ) - by them

(pronoun)

Instrumental, masculine, plural of tad

tad - that, those

Demonstrative pronoun

मिथ्या (mithyā) - falsely, wrongly, untrue

(indeclinable)

राघव (rāghava) - O Rāghava (Rāma) (O Rāma, descendant of Raghu)

(proper noun)

Vocative, masculine, singular of rāghava

rāghava - descendant of Raghu, an epithet of Rāma

Apatya-artha (descendant).

प्रोक्ताः (proktāḥ) - declared, stated, proclaimed

(adjective)

Nominative, feminine, plural of prokta

prokta - said, spoken, declared, proclaimed

Past Passive Participle

from pra-vac

Prefix: pra

Root: vac (class 2)

Note: Adjective for vaicitryayuktayaḥ.

कर्ममानसचेतसाम् (karmamānasacetasām) - of actions, minds, and thoughts

(noun)

Genitive, neuter, plural of karmamānasacetas

karmamānasacetas - (compound referring to) actions, minds, and thoughts/consciousness

karma (action), manas (mind), cetas (consciousness/thought)

Compound type : dvandva (karma+manas+cetas)

• karma – action, deed, ritual, fate (karma)
  noun (neuter)
  derived from root kṛ
  Root: kṛ (class 8)
• manas – mind, intellect, understanding
  noun (neuter)
  derived from root man
  Root: man (class 4)
• cetas – consciousness, intelligence, thought, heart
  noun (neuter)
  derived from root cit
  Root: cit (class 1)

Note: Compound of karma, manas, and cetas.

स्वविकल्पार्पितैः (svavikalpārpitaiḥ) - by meanings derived from their own conceptualizations (by their own conceptualizations imposed/imbued)

(adjective)

Instrumental, masculine, plural of svavikalpārpita

svavikalpārpita - imposed by one's own conceptualizations, imbued by one's own notions

Compound type : tatpuruṣa (sva+vikalpa+arpita)

• sva – own, one's own
  adjective
• vikalpa – alternative, option, doubt, conceptualization, mental construct
  noun (masculine)
  derived from vi-kḷp
  Prefix: vi
  Root: kḷp (class 10)
• arpita – placed, offered, imposed, entrusted
  adjective
  Past Passive Participle
  from root ṛ + āp (upa-sarga ā)
  Prefix: ā
  Root: ṛ (class 3)

Note: Modifies arthaiḥ.

अर्थैः (arthaiḥ) - with meanings/interpretations (with meanings, by objects, by purposes)

(noun)

Instrumental, masculine, plural of artha

artha - meaning, purpose, object, thing, wealth

स्वाः (svāḥ) - their own (feminine plural nominative)

(adjective)

Nominative, feminine, plural of sva

sva - own, one's own

Note: Repetition (svāḥ svāḥ) indicates 'each one's own'.

स्वाः (svāḥ) - their own (feminine plural nominative)

(adjective)

Nominative, feminine, plural of sva

sva - own, one's own

Note: Repetition (svāḥ svāḥ) indicates 'each one's own'.

वैचित्र्ययुक्तयः (vaicitryayuktayaḥ) - varied reasonings, diverse arguments

(noun)

Nominative, feminine, plural of vaicitryayukti

vaicitryayukti - varied reasoning, diversity of arguments, different logic

Compound type : tatpuruṣa (vaicitrya+yukti)

• vaicitrya – diversity, variety, wonderfulness
  noun (neuter)
  derived from citra + ṣyañ
• yukti – reasoning, argument, logic, method, union
  noun (feminine)
  derived from root yuj
  Root: yuj (class 7)

Note: Subject of proktāḥ.