योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-56, verse-26

प्रतिभामात्रतोऽत्रैव कल्पिता वज्रसारता ।
प्रतिभासविपर्यासमात्रं ह्यविदिताकृतेः ॥ २६ ॥

pratibhāmātrato'traiva kalpitā vajrasāratā ,
pratibhāsaviparyāsamātraṃ hyaviditākṛteḥ 26

26. pratibhāmātrataḥ atra eva kalpitā vajrasāratā
pratibhāsaviparyāsamātram hi aviditākṛteḥ

26. atra eva pratibhāmātrataḥ vajrasāratā kalpitā
hi pratibhāsaviparyāsamātram aviditākṛteḥ

26. Merely by its manifestation (pratibhā), an adamantine firmness (vajrasāratā) is conceived here. Indeed, it is merely a distortion of appearance for that whose true form is unknown.

Words meanings summery:

• प्रतिभामात्रतः (pratibhāmātrataḥ) - merely by appearance, from mere manifestation

• अत्र (atra) - here, in this place, in this matter

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

• कल्पिता (kalpitā) - imagined, conceived, created

• वज्रसारता (vajrasāratā) - adamantine firmness, substantiality, hardness like a diamond

• प्रतिभासविपर्यासमात्रम् (pratibhāsaviparyāsamātram) - merely a distortion of appearance

• हि (hi) - indeed, surely, for, because

• अविदिताकृतेः (aviditākṛteḥ) - of that whose form is unknown, of the unknown form

Words meanings and morphology

प्रतिभामात्रतः (pratibhāmātrataḥ) - merely by appearance, from mere manifestation

(indeclinable)

Compound type : tatpuruṣa (pratibhā+mātra)

• pratibhā – appearance, manifestation, flash of insight, intellect
  noun (feminine)
• mātra – mere, only, purely
  adjective (neuter)

Note: Adverbial use of ablative from pratibhāmātra

अत्र (atra) - here, in this place, in this matter

(indeclinable)

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

(indeclinable)

कल्पिता (kalpitā) - imagined, conceived, created

(adjective)

Nominative, feminine, singular of kalpita

kalpita - imagined, conceived, created, arranged

Past Passive Participle

Past passive participle of the root 'kḷp' (to arrange, to imagine)

Root: kḷp (class 1)

वज्रसारता (vajrasāratā) - adamantine firmness, substantiality, hardness like a diamond

(noun)

Nominative, feminine, singular of vajrasāratā

vajrasāratā - adamantine firmness, diamond-like hardness, substantiality

Compound type : tatpuruṣa (vajra+sāratā)

• vajra – thunderbolt, diamond, hard
  noun (neuter)
• sāratā – essentiality, substantiality, hardness
  noun (feminine)
  Derived from sāra (essence, strength) with suffix -tā

प्रतिभासविपर्यासमात्रम् (pratibhāsaviparyāsamātram) - merely a distortion of appearance

(noun)

Nominative, neuter, singular of pratibhāsaviparyāsamātra

pratibhāsaviparyāsamātra - consisting merely of the perversion of appearance, only a reversal of manifestation

Compound type : tatpuruṣa (pratibhāsa+viparyāsa+mātra)

• pratibhāsa – appearance, manifestation, splendor
  noun (masculine)
• viparyāsa – reversal, inversion, error, perversion
  noun (masculine)
• mātra – mere, only, purely
  adjective (neuter)

हि (hi) - indeed, surely, for, because

(indeclinable)

अविदिताकृतेः (aviditākṛteḥ) - of that whose form is unknown, of the unknown form

(adjective)

Genitive, feminine, singular of aviditākṛti

aviditākṛti - whose form is unknown

Compound type : bahuvrīhi (avidita+ākṛti)

• avidita – unknown, not known
  adjective (masculine)
  Past Passive Participle (negative)
  Past passive participle of the root 'vid' with negative prefix 'a-'
  Prefix: a
  Root: vid (class 2)
• ākṛti – form, shape, appearance, figure
  noun (feminine)