योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-177, verse-21

अन्यथानुपपत्त्यैव स्वप्नाभाकलनादृते ।
स्थूलाकारात्मिका काचिन्नास्ति दृश्यस्य दृश्यता ॥ २१ ॥

anyathānupapattyaiva svapnābhākalanādṛte ,
sthūlākārātmikā kācinnāsti dṛśyasya dṛśyatā 21

21. anyathānupapattyā eva svapnābhākalnāt ṛte |
sthūlākārātmikā kācit na asti dṛśyasya dṛśyatā

21. anyathānupapattyā eva svapnābhākalnāt ṛte
sthūlākārātmikā kācit dṛśyasya dṛśyatā na asti

21. Except for its comprehension as a dream-like appearance (svapnābhā), there is no existence of any 'visibility' for the visible object that possesses a gross form, a fact established by logical necessity (anyathānupapatti).

Words meanings summery:

• अन्यथानुपपत्त्या (anyathānupapattyā) - by logical necessity; by the impossibility otherwise

• एव (eva) - only, indeed, merely

• स्वप्नाभाकल्नात् (svapnābhākalnāt) - from the perception/comprehension of a dream-like appearance

• ऋते (ṛte) - without, except for (governs ablative)

• स्थूलाकारात्मिका (sthūlākārātmikā) - having the nature of gross forms, characterized by gross form

• काचित् (kācit) - any, some (feminine)

• न (na) - not

• अस्ति (asti) - is, exists

• दृश्यस्य (dṛśyasya) - of the visible; of the object to be seen

• दृश्यता (dṛśyatā) - visibility, the state of being seen, objectivity

Words meanings and morphology

अन्यथानुपपत्त्या (anyathānupapattyā) - by logical necessity; by the impossibility otherwise

(noun)

Instrumental, feminine, singular of anyathānupapatti

anyathānupapatti - impossibility otherwise, logical necessity (e.g., in inference)

Compound of 'anyathā' (otherwise) and 'anupapatti' (non-occurrence, impossibility).

Compound type : tatpuruṣa (anyathā+anupapatti)

• anyathā – otherwise, in a different manner
  indeclinable
• anupapatti – non-occurrence, impossibility, logical necessity (as in absence of another explanation)
  noun (feminine)
  Negation ('an') of 'upapatti' (occurrence, possibility, appropriateness).
  Prefixes: an+upa
  Root: pad (class 4)

एव (eva) - only, indeed, merely

(indeclinable)

स्वप्नाभाकल्नात् (svapnābhākalnāt) - from the perception/comprehension of a dream-like appearance

(noun)

Ablative, neuter, singular of svapnābhākalana

svapnābhākalana - perception/comprehension of a dream-like appearance

Compound of 'svapnābhā' (dream-like appearance) and 'kalana' (perception, comprehension).

Compound type : tatpuruṣa (svapnābhā+kalana)

• svapnābhā – dream-like appearance, illusion of a dream
  noun (feminine)
  Compound of 'svapna' (dream) and 'ābhā' (appearance).
• kalana – comprehension, perception, counting
  noun (neuter)
  Derived from the root 'kal' (to reckon, know) with the suffix '-ana'.
  Root: kal (class 10)

ऋते (ṛte) - without, except for (governs ablative)

(indeclinable)

स्थूलाकारात्मिका (sthūlākārātmikā) - having the nature of gross forms, characterized by gross form

(adjective)

Nominative, feminine, singular of sthūlākārātmika

sthūlākārātmika - having a gross form as its nature, essential nature of gross form

Compound of 'sthūlākāra' (gross form) and 'ātmika' (pertaining to the self/nature).

Compound type : tatpuruṣa (sthūlākāra+ātmika)

• sthūlākāra – gross form, material shape
  noun (masculine)
  Compound of 'sthūla' (gross, coarse) and 'ākāra' (form, shape).
• ātmika – relating to the self (ātman), inherent, natural, essential
  adjective (masculine/feminine/neuter)
  Derived from 'ātman' with the suffix '-ika'.

काचित् (kācit) - any, some (feminine)

(pronoun)

Nominative, feminine, singular of kācid

kācid - any, some, a certain

न (na) - not

(indeclinable)

अस्ति (asti) - is, exists

(verb)

3rd person , singular, active, present indicative (laṭ) of as

Root: as (class 2)

दृश्यस्य (dṛśyasya) - of the visible; of the object to be seen

(adjective)

Genitive, neuter, singular of dṛśya

dṛśya - visible, to be seen, an object of sight

Potential Passive Participle (Gerundive)

Derived from root 'dṛś' with suffix '-ya'.

Root: dṛś (class 1)

Note: Used here substantively to mean 'of the visible object'.

दृश्यता (dṛśyatā) - visibility, the state of being seen, objectivity

(noun)

Nominative, feminine, singular of dṛśyatā

dṛśyatā - visibility, the state of being seen, perceptibility

Derived from 'dṛśya' (visible) with the abstract suffix '-tā'.

Compound type : tatpuruṣa (dṛśya+tā)

• dṛśya – visible, to be seen, an object of sight
  adjective (masculine/feminine/neuter)
  Potential Passive Participle (Gerundive)
  Derived from root 'dṛś' with suffix '-ya'.
  Root: dṛś (class 1)
• tā – abstract suffix forming feminine nouns (e.g., 'ness', 'ity')
  indeclinable (feminine)