योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-25, verse-15

यदि काष्ठोपलादीनां न भवेद्बोधरूपता ।
तत्सदानुपलम्भः स्यादेतेषामसतामिव ॥ १५ ॥

yadi kāṣṭhopalādīnāṃ na bhavedbodharūpatā ,
tatsadānupalambhaḥ syādeteṣāmasatāmiva 15

15. yadi kāṣṭhopalādīnām na bhavet bodharūpatā
tat sadā anupalambhaḥ syāt eteṣām asatām iva

15. yadi kāṣṭhopalādīnām bodharūpatā na bhavet,
tat (tadā) eteṣām asatām iva sadā anupalambhaḥ syāt.

15. If objects like wood and stone did not possess the nature of consciousness, then they would always be imperceptible, just like non-existent things.

Words meanings summery:

• यदि (yadi) - if, in case

• काष्ठोपलादीनाम् (kāṣṭhopalādīnām) - of wood, stone, and others; of wood and stone etc.

• न (na) - not, no

• भवेत् (bhavet) - should be, would be, may be

• बोधरूपता (bodharūpatā) - the nature of consciousness, state of being consciousness

• तत् (tat) - then, in that case

• सदा (sadā) - always, ever, perpetually

• अनुपलम्भः (anupalambhaḥ) - non-perception, non-apprehension, non-existence

• स्यात् (syāt) - would be, might be, should be

• एतेषाम् (eteṣām) - of these

• असताम् (asatām) - of non-existent ones, of unreal things

• इव (iva) - like, as, as it were

Words meanings and morphology

यदि (yadi) - if, in case

(indeclinable)

काष्ठोपलादीनाम् (kāṣṭhopalādīnām) - of wood, stone, and others; of wood and stone etc.

(noun)

Genitive, neuter, plural of kāṣṭhopalādi

kāṣṭhopalādi - wood, stone, and so on; beginning with wood and stone

Compound type : dvandva-tatpuruṣa (kāṣṭha+upala+ādi)

• kāṣṭha – wood, piece of wood
  noun (neuter)
• upala – stone, rock
  noun (masculine)
• ādi – beginning, commencement, and so on, et cetera
  indeclinable

न (na) - not, no

(indeclinable)

भवेत् (bhavet) - should be, would be, may be

(verb)

3rd person , singular, active, optative (vidhi liṅ) of bhū

Root: bhū (class 1)

बोधरूपता (bodharūpatā) - the nature of consciousness, state of being consciousness

(noun)

Nominative, feminine, singular of bodharūpatā

bodharūpatā - the nature of consciousness, form of awareness

Derived from bodharūpa (having the form of consciousness) with the suffix -tā (abstract noun).

Compound type : tatpuruṣa (bodha+rūpatā)

• bodha – consciousness, awareness, knowledge
  noun (masculine)
  From root budh (to know).
  Root: budh (class 1)
• rūpatā – nature, form, state of being
  noun (feminine)
  Derived from rūpa with the suffix -tā.

तत् (tat) - then, in that case

(indeclinable)

सदा (sadā) - always, ever, perpetually

(indeclinable)

अनुपलम्भः (anupalambhaḥ) - non-perception, non-apprehension, non-existence

(noun)

Nominative, masculine, singular of anupalambha

anupalambha - non-perception, non-apprehension, absence of perception

Negative prefix 'an-' + upalambha (perception).

Compound type : nañ-tatpuruṣa (na+upalambha)

• na – not
  indeclinable
• upalambha – perception, apprehension, acquisition
  noun (masculine)
  From root 'labh' with prefix 'upa-'.
  Prefix: upa
  Root: labh (class 1)

स्यात् (syāt) - would be, might be, should be

(verb)

3rd person , singular, active, optative (vidhi liṅ) of as

Root: as (class 2)

एतेषाम् (eteṣām) - of these

(pronoun)

Genitive, masculine/neuter, plural of etad

etad - this, these

Note: Refers to 'kāṣṭhopalādīnām'.

असताम् (asatām) - of non-existent ones, of unreal things

(adjective)

Genitive, masculine/neuter, plural of asat

asat - non-existent, unreal, false

Present active participle

Negative prefix 'a-' + sat (existing, being, participle of as 'to be').

Compound type : nañ-tatpuruṣa (na+sat)

• na – not
  indeclinable
• sat – existent, real, good, being
  adjective
  Present active participle
  Participle of root 'as'.
  Root: as (class 2)

Note: Used substantively as 'of non-existent things'.

इव (iva) - like, as, as it were

(indeclinable)